O2 Sensor Circuit High Voltage Bank 1 Sensor 2

Internal resistance too high in O2 sensor 1 Lean condition bank 1 sensor 1 Incorrect airflow detected, SAIS There were a few others relating to voltages but I think that was due to removing/replacing battery, and those codes no longer appear. 1 mV (millivolts) and 0. Today's engines come with oxygen sensors with heating elements (HO2S). P0136 is the OBD-II generic code indicating the downstream O2 sensor for bank 1 fails to meet the minimum and maximum voltage limits calibrated for the ECM to see. A code P0137 may mean that one or more of the following has happened: Faulty o2 sensor Exhaust leak near the rear sensor Plugged catalyst Short to voltage on O2 signal circuit High resistance or. P0130 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) C-30. Instead of a varying voltage output, the Α/F sensor changes its current (amperage) output in relation to the amount of oxygen in the exhaust stream. The PCM supplies a voltage of about 450 mV between the HO2S high and low signal circuits. The voltage of the O2 Sensor will fluctuate between 100 and 1,000 millivolts, which is 0. Comments: End my nightmare. The two codes are Heater Circuit malfunction, and High Voltage reading. so the code is for a voltage problem in the front downstream O2 sensor. You should see no more than 1. This code is triggered when the powertrain computer or PCM determines that the oxygen sensor voltage remained above 450 millivolts for more than twenty seconds (varies with vehicle make and model) or that the air fuel ratio sensor remained in a rich-biased. Sensor immersed in water. P0132 | O2 Sensor Circuit High Voltage Bank 1 Sensor 1 | The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. in order to have this code thrown, the. either it's not plugged in properly, it's damaged/defective/worn out, or something is wrong with its location/position in the exhaust stream, causing a high voltage reading. The onboard diagnostic (OBD) code P0136 is defined as an Oxygen Sensor Circuit Low Voltage in Bank 1, Sensor 2. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. You most definitely want the oxygen sensor socket, it will make the job much easier and it will save your knuckles (a breaker bar can also make it easier to remove the old sensor). (Refer to 28 - DTC-Based Diagnostics/ MODULE, Powertrain Control (PCM) - Standard. P0138 O2 Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 2) P0037 O2 Oxygen Sensor Heater Control Circuit Low (Bank 1, Sensor 2) I guess I needed to be a little more specific. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. You may have to register before you can post: click the register link above to proceed. O2 sensor 1/2 signal circuit shorted to voltage, O2 sensor 1/2 return circuit shorted to ground. I understand you need a special tool. If the O 2 sensor heater circuit's negative wire goes directly to ground, look for a short-to-power problem. The engine control module (ECM) sees the voltage of the O2 sensor for bank 2 sensor 1 above 1. P0136 is Oxygen Sensor Circuit Low Voltage (B1, S2). " This let us zero in on the likely problem right away. I use bafx obd II tool to get live voltage data. Any ideas? Toyota Mechanic: Skyvisions , ASE Certified Technician replied 8 years ago. The PCM supplies a voltage of about 450 mV between the HO2S high and low signal circuits. O2 Sensor Circuit High Voltage (Bank no. Start the engine and observe the Bank 1 Sensor 3 (a. If the reading is outside the specified range, the sensor is defective. Bank 1 is the side of the engine that includes cylinder number. LR updated the ECM and it was resolved. Important Suggestions And Tips. Bank 1 is the side of the engine that contains the #1 cylinder. When the P0132 trouble code has been stored by the power control module, it is an indication of a problem with the 02 oxygen sensor. In auto parts store thay asked me if this sensor after/before catalyst on right/left side etc. Unfortunately, this is a pretty common code that stands for oxygen sensor voltage low. The older Accords,98,99 had troubles with the converters. 1 system coverage 1. The o2 sensor bank 1 sensor 2 reading was flat line on 0. Hope this helps. 4 A/F SENSOR (15 A) fuse in the under-dash fuse/relay box. Possible Causes (K902) O2 UPSTREAM RETURN CIRCUIT SHORTED TO GROUND (K43) O2 2/1 SIGNAL CIRCUIT SHORTED TO GROUND (K43) O2 2/1 SIGNAL CIRCUIT SHORTED TO (K902) O2 UPSTREAM RETURN CIRCUIT. P0030 O2 Sensor Heater Circuit Range/Performance (Bank 1 Sensor 1) C-29 Circuit Open (Bank 1 Sensor 1) C-29 P0136 O2 Sensor Circuit High Voltage. P0138 - O2 Circuit High Voltage (Bank 1, Sensor 2). My check engine light came on, so I plugged in my scanner and got the code: P0137 - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2. ho2s circuit low voltage bank 1 sensor 2 h02s circuit low voltage bank 2 sensor 2 do i have 2 sensors to replace or just one, and where are they located? … read more. Bank 2 Sensor 2 = This O2 sensor is located right after the catalytic converter, on the side with the Cylinder #2 that is Bank 2. The PCM supplies a voltage of about 450 mV between the HO2S high and low signal circuits. bank 1 sensor 1. Bank 2 Sensor 1 = This O2 sensor is located right before the catalytic converter, on the side with the Cylinder #2 that is Bank 2. Joined Apr 26, 2009 · 4,391 Posts. Set Condition: The oxygen sensor voltage is above 1. However, if the voltage output of the sensor is not under 1. After replacing the O2 sensor, the same codes are appearing, except the internal resistance too high code. P0152= O2 sensor 2/1 circuit high. Honda Civic P0132: Oxygen Sensor High Voltage (Bank 1 -Sensor 1) February 2, 2019 by Jason P0132 is a common OBDII code that occurs in many vehicles, including the Honda Civic. P0138 code definition. CASE 1: O2S11 voltage numbers spiked to 0. O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2) What the P0137 code means. The O2 sensor is probably the problem, though you may also have a MAF problem as well. I got a Check Engine light the other day stating, "P0144 O2 Sensor Circuit High Voltage Bank 1 Sensor 3". On a V6, V8 or V10 engine, the downstream O2 sensor might be labeled Bank 1 or Bank 2, Sensor 2. P0136 Heated Oxygen Sensor Circuit High Voltage (bank 1, sensor 2) Right Bank Heated Oxygen Sensor (rear) Circuit Check Conditions 3 minutes or more have passed since the startingsequence was completed. to/2FGAXNb If you have a Chrysler, Dodge, or Jeep and your engine light is on and you have. The code it is displaying is P0138 - O2 Sensor High Voltage Bank 1, Sensor 2. 21 volts indicating excessive oxygen in the exhaust. P0152 - HO2S Circuit High Voltage Bank 2 Sensor 1 P0153 - HO2S Slow Response Bank 2. any help would be greatly appreciated. New behind the cat (Bank 1, Sensor 2) O2 sensor did not fix it. O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) P0138 : O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) P0139 : O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) P0140 : O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) P0141 : O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) P0142 : O2 Sensor Circuit Malfunction (Bank 1 Sensor 3. The specific sensor I replaced was Bank 1 Sensor 2. DTC P2238 Oxygen Sensor Pumping Current Circuit / Low (for A/F sensor) (Bank 1 Sensor 1) DTC P2239 Oxygen Sensor Pumping Current Circuit / High (for A/F sensor) (Bank 1 Sensor 1) CIRCUIT DESCRIPTION HINT: This DTC is related to A/F sensor, although the caption is oxygen sensor. If the O 2 sensor heater circuit's negative wire goes directly to ground, look for a short-to-power problem. P0158 Description The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Looks like Bank 2 sensor 1 is the sensor that is in the exhaust that does NOT include #1 cylinder (not sure which side that is) and it is the closest sensor to the engine (the first one). However, if the voltage output of the sensor is not under 1. The o2 sensor bank 1 sensor 2 reading was flat line on 0. Rear equates to the one after the cat it's not an easy one to get to,but it's doable. It is what it is. 1 v) to near maximum (0. P0138 Description The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three-way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Guidelines for replacing the oxygen sensors in your car, courtesy Bosch. Honda Civic P0132: Oxygen Sensor High Voltage (Bank 1 -Sensor 1) February 2, 2019 by Jason P0132 is a common OBDII code that occurs in many vehicles, including the Honda Civic. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. In case of a rich exhaust the Front Heated Oxygen sensor 1 (HO2S1) varies the voltage within a range of about 1 volt and down through about 0. 1/3) o2 sensor voltage. P0130 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) C-30. O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) What the P0138 code means. I pulled code P0137, 02 Circuit Low Voltage (Bank 1 Sensor 2). P0152 - HO2S Circuit High Voltage Bank 2 Sensor 1 P0153 - HO2S Slow Response Bank 2. CEL came on. You have two sensors, an upstream (sensor #1) mounted on the exhaust manifold behind the engine and a downstream (#2) mounted on the cat converter. I'm not sure if any of this is helpful but might get you in the right direction. bank 1 is the front of the engine, sensor 2 is downstream. The upstream oxygen sensor on your OBD II equipped Jeep 4. If a V6, V8 or V10 engine has dual exhausts with dual converters, the downstream O2 sensors would be labeled Bank 1, Sensor 2 and Bank 2, Sensor 2. The voltage signal for "Mixture too lean" (high residual oxygen) is between about 0 and 0. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0137 O2 SENSOR CIRCUIT LOW VOLTAGE BANK 1 SENSOR 2">Go to Step 3. 0 volts and 1. P0132,P0138,P0152,P0158 - the 4-Wire Oxygen sensor is equipped with a galvanic battery that typically generates a voltage signal between 0. Confirm similar voltage on bank and 2 MAF's and also log AFR and AF voltage readings on both primary O2's (note that weirdly cipher sometimes labels both as "bank 1"), fuel trims, and heater sensor correction %. The PCM supplies a voltage of about 450 mV between the HO2S high and low signal circuits. Scanned and it came up as P0136 Oxygen O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2). Comments: End my nightmare. The code P0131 is set when the signal voltage from the front O2 sensor is stuck low. So, Bank 1 Sensor 2 should be the one under the car. I am surprised that it did not show sensor 1 malfunction code. Code P0138 comes up on your Dodge 1500 with a 5. With a 4 cylinder, everything should be Bank 1 (No Bank 2). Problems with them can cause the PCM to add or take away too much fuel based on the faulty o2 sensor voltage. either it's not plugged in properly, it's damaged/defective/worn out, or something is wrong with its location/position in the exhaust stream, causing a high voltage reading. It said voltage should be 3 volts indeed. P0136 Heated Oxygen Sensor Circuit High Voltage (bank 1, sensor 2) Right Bank Heated Oxygen Sensor (rear) Circuit Check Conditions 3 minutes or more have passed since the startingsequence was completed. So, there are 4 O2 sensors: Bank 1 sensor 2 is at the bottom of the rear downpipe, and bank 2 sensor 1 is at the bottom of the front downpipe (easily visible when you open the hood). Check the output voltage at the O2 oxygen sensor with a digital voltmeter. P0132 - GM; Type: Powertrain - Fuel and Air Metering - ISO/SAE Controlled: Description: HO2S Circuit High Input Conditions. The higher the number of O2 cross counts, the better the sensor and other parts of the computer control system are working. As you're already aware, the O2 sensor's job is to measure the amount of oxygen in the exhaust. P0158 Description The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Hi all, Got a CEL this weekend and thought it was my low coolant temp again but when I looked it was this P0138 says - O2 Circuit High Voltage (Bank 1, Sensor 2). If the O 2 sensor heater circuit's negative wire goes directly to ground, look for a short-to-power problem. This happens when the O2 has reached 662° F, being heated by the exhaust gases or an electric heater built into the sensor. Other manufacturers code their oxygen sensors this way, which is why it can sometimes be very confusing. txt), PDF File (. Sensor 1 is up on top. Then a new genuine lamda sensor was put in. Right bank heated oxygen sensor (rear) signal voltage has continued to be 0. The sensor which acts similar to an open circuit does not generate any voltage when it is < 315°C(600°F). You most definitely want the oxygen sensor socket, it will make the job much easier and it will save your knuckles (a breaker bar can also make it easier to remove the old sensor). If your oxygen sensor has failed, the code checker will generate a diagnostic trouble code that specifically indicates your oxygen sensor is bad. Correct, No voltage, but I have voltage on the rear o2 sensor "Red/Yellow wire" at the harness. ses light is on. This code is triggered when the powertrain computer or PCM determines that the oxygen sensor voltage remained above 450 millivolts for more than twenty seconds (varies with vehicle make and model) or that the air fuel ratio sensor remained in a rich-biased. Bank 1 sensor 2 is located at the back of bank 1. Problems with them can cause the PCM to add or take away too much fuel based on the faulty o2 sensor voltage. With a 4 cylinder, everything should be Bank 1 (No Bank 2). Rechecked again w/ Scan Tool; pulled same. Jump to Latest Follow O2 Circuit High Voltage (Bank 1, Sensor 2). P0134 O2 Sensor CKT No Activity (Bank 1. So I then replaced Bank 1 sensor 2. P1138 O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 2) P1139 O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2) P1140 Mass or Volume Air Flow Circuit Range/Performance Problem P1145 Solenoid Valve Running Losses Control Circuit Electrical P1151 O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1) P1152 O2 Sensor Heater. 086 V) 86 mV Test Enable PE Lean Test •Closed Loop •Power Enrichment mode active •High speed fuel cutoff not active •Related O2 sensor DTCs not active since code clear •Time elapsed since test enable is at least 1 second •The Bank 1 Sensor 1 HO2S voltage measures less than 598 mV. Therefore, it would be one of the two sensors that is mounted in the exhaust manifolds (the rear manifold, in this case, for cylinders 4 through 6) prior to the converter sections. Remove the underpanel, and it should be right around the bottom of the radiator. The newest style, Heated Wideband O2 Sensors, have a voltage range of between 2 and 5 volts. After plugging in the universal connector under the dash, we retrieved a code P0136 "O2 Sensor Circuit Malfunction (Sensor 2). It was developed by Robert Bosch GmbH during the late 1960s under the supervision of Dr. After driving a while it returned ned. The one on/at the exhaust manifold should be Bank 1 Sensor 1. The rear oxygen sensor installed after the catalytic converter is called 'downstream' or Sensor 2. Check the wires going to the O2 sensor for burns/chafing. emission light is on! I have these codes: P0136 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) C-32 P0136 O2 Sensor 2 Circuit Voltage Low C-32 P0136 O2 Sensor 2 Open Circuit C-32 P0141 O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2) C-31 P0141 O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 2) C-31 P0141 O2 Sensor Heater Circuit Open (Bank 1 Sensor 2) C-31 P1616 Wrong Vehicle ID. P0136 is Oxygen Sensor Circuit Low Voltage (B1, S2). The older Accords,98,99 had troubles with the converters. 1V (High Oxygen, Lean mixture) to 0. Definition. P0030 O2 Sensor Heater Circuit Range/Performance (Bank 1 Sensor 1) C-29 Circuit Open (Bank 1 Sensor 1) C-29 P0136 O2 Sensor Circuit High Voltage. Bosch LSU 4. A good O2 sensor should produce an oscillating waveform at idle that makes voltage transitions from near minimum (0. Learn more about causes, symptoms, and diagnostics for code P0138. truckeedurango · Registered. Quick and easy fix. The one on/at the exhaust manifold should be Bank 1 Sensor 1. The O2 Oxygen Sensor Circuit High Voltage Bank 1, Sensor 2 can usually be found within the catalytic converter. A good O2 sensor should produce an oscillating waveform at idle that makes voltage transitions from near minimum (0. That seems to be ok now. 45 volt mark O2 cross counts. 0L SUV can be tested, and in this article, I'll show you how in a step-by-step fashion. P0130 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) C-30. i have 2 fault codes - po137 , po157. So I then replaced Bank 1 sensor 2. 5 A) fuse in the under-dash fuse/relay box. Unfortunately I wasn't out the door more than 50 miles and the check engine snapped back on. Is there any voltage present? Yes • Repair the short to voltage in the (K199) O2 2/1 Heater Control circuit. 2L, my check engine light came on and the code my OBDII reader gave was 'P0132' "O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)". For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. 2001 Pathfinder 0158 O2 Sensor Circuit High Voltage I have "Service Engine Soon" indicator on, code reader shows 0158 which is "O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)". in order to have this code thrown, the. An oxygen sensor for a one particular engine bank has delivered a voltage signal that is not within the accepted parameters, causing the PCM to store a trouble code and possibly illuminate the service engine soon light. 086 V) 86 mV Test Enable PE Lean Test •Closed Loop •Power Enrichment mode active •High speed fuel cutoff not active •Related O2 sensor DTCs not active since code clear •Time elapsed since test enable is at least 1 second •The Bank 1 Sensor 1 HO2S voltage measures less than 598 mV. The specific sensor I replaced was Bank 1 Sensor 2. 0 volts, so having a quality volt meter is important. Oxygen O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2) What does that mean? Essentially the same as P0137, a P0136 code refers to the second oxygen sensor on Bank 1. Voltage output from the sensor varies from 0. i have a 2007 maxima se 3. Check the O2 Oxygen Sensor Voltage. Ok they say good chance the O2 sensor needs to be replaced, so I replaced the sensor, pretty easy, $65. I use bafx obd II tool to get live voltage data. The 4-Wires O2 sensor also includes a heating element that keeps the sensor at proper operating temperature during all operating modes. Soldered up, all good. The Powertrain Control Module (PCM) supplies a voltage of about 450 mV between the HO2S high and low signal circuits. Ketahui apa P0157 O2 Circuit Sensor Low Voltage Bank 2 Sensor 2 bermakna?. 2 volts when the ECM has commanded the fuel to a targeted lean condition on that bank of the engine. One Trip Fault. The O2 Oxygen Sensor Circuit High Voltage Bank 1, Sensor 2 can usually be found within the catalytic converter. If you have any other car questions, you are welcome to ask them for. The onboard diagnostic (OBD) code P0136 is defined as an Oxygen Sensor Circuit Low Voltage in Bank 1, Sensor 2. Some people have had good luck by cleaning off the O2 sensor head with an air blast and/or some yet unknown O2-sensor-safe solvent. P0171 - System Too Lean Bank 1. There are a couple different things that could trip this: PCM needs reflashed, O2 Sensor, Heater Ground Circuit is Open, Heater Control Circuit is open, or Control Circuit Shorted to Battery Voltage. The PCM monitors and stores the heated oxygen sensor (HO2S) voltage information. The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three-way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Now, we need to make sure that it can react to and report a lean air/fuel mixture. Inspect the exhaust manifold and fuel injectors for leaks, as well spark plug condition and other ignition components that may affect oxygen sensor operation before discarding the sensor. One before the catalytic converter and one for after. The PCM (powertrain control module) uses the information from the HO2S to determine the oxygen level of the engine's exhaust system. Oxygen sensors are always numbered this way: Bank 1 Sensor 1 Bank 2 Sensor 1 Bank 1 Sensor 2 Bank 2 Sensor 2. Showing how the mass airflow sensor will mess up your barometric pressure calculation and cause these lean codes under loadp0171 p0174. Bank 2 Sensor 1 = This O2 sensor is located right before the catalytic converter, on the side with the Cylinder #2 that is Bank 2. The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Two wires are dedicated to the heating element and two wires are dedicated to the sensor. A faulty oxygen sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit can cause the following symptoms. When oxygen content in the exhaust is low and the engine runs with an enriched mixture, the sensor will generate а high voltage signal 0. Joined Jul 17, 2007 · 8,238 Posts #2 • May 17, 2010. Some sensor types generate a voltage as oxygen content in the exhaust changes and some have a varying resistance. The ECM interprets Lean when the HO2S voltage is below 0. Mazda 3 P0138: Oxygen Sensor High Voltage (Bank 1 -Sensor 2) February 8, 2019 by Jason P0138 is a common OBDII code that occurs in many vehicles, including the Mazda 3. Bank 2 or B2 refers to cylinders 4-6. It is what it is. The o2 sensor is a four wire sensor. 21 volts indicating excessive oxygen in the exhaust. 1) A few key issues are very important in the analysis of O2 sensor signals. I replaced the O2 Sensor after the Cat, Post-cat and no change in the Voltage Reading on that sensor's Live Data. The HO2S output voltage changes suddenly in the vicinity of the stoichiometric ratio. O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) Hvad betyder P0138-koden. When oxygen content in the exhaust is low and the engine runs with an enriched mixture, the sensor will generate а high voltage signal 0. DTC Detection Condition: Trouble Area: P0136 P0156: Abnormal voltage output: During active air-fuel ratio control, following conditions (a) and (b) are met for a certain period of time (2 trip detection logic): (a) Heated Oxygen (HO2) sensor voltage does not decrease to less than 0. So, there are 4 O2 sensors: Bank 1 sensor 2 is at the bottom of the rear downpipe, and bank 2 sensor 1 is at the bottom of the front downpipe (easily visible when you open the hood). P1138 O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 2) P1139 O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2) P1140 Mass or Volume Air Flow Circuit Range/Performance Problem P1145 Solenoid Valve Running Losses Control Circuit Electrical P1151 O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1) P1152 O2 Sensor Heater. The oxygen sensor varies the voltage over a range from about 1,000 mV when the exhaust is rich, down through about 10 mV when the exhaust is lean. When Monitored and Set Condition: P0032-O2 SENSOR 1/1 HEATER CIRCUIT HIGH When Monitored: Battery voltage above 10. It may be the newer models like yours. It should have, as the voltage is only 0. 4L Nissan Altima, Xterra or Frontier and/or troubleshoot OBD II Codes P0131, P0133. P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) BAT Team Discussions for P0138 2001 Honda Accord Are there any other trouble codes besides PO420?Remove the No 13,7. Manfucturers call this crossing of the 0. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. This also happens when the computer detects problems with the oxygen sensor after the Catalytic Converter. O2 sensor 1/2 signal circuit shorted to voltage, O2 sensor 1/2 return circuit shorted to ground. P0171 - System Too Lean Bank 1. The higher the number of O2 cross counts, the better the sensor and other parts of the computer control system are working. There is a company that independent auto repair shops get their information from, this. The oxygen sensor is heated at startup to get it functioning properly as quickly as possible — hence the "heater control circuit" errors. It says oxygen sensor pumping current circuit low (for a/f sensor) (bank 1 sensor 1) Then I go to advanced and have them run the same thing and it also says oxygen sensor bank 1 sensor 1. Two wires are dedicated to the heating element and two wires are dedicated to the sensor. Looked like something got kicked up and sheared one wire and damaged another. You may have to register before you can post: click the register link above to proceed. 0 volts and 1. Joined Jul 17, 2007 · 8,238 Posts #2 • May 17, 2010. I have a new OE O2 sensor that I can swap but it appears this is a CIRCUIT issue, not a cat below efficiency or a O2 sensor failure, per se. The upstream oxygen sensor on your OBD II equipped Jeep 4. 5 ohms resistance in either wire. This means that the pre-cat O2 sensor signal will oscillate back and forth from high to low to high to low voltage as the computer adjusts the mixture. Strangely, I had to change both sensors while the code was only for 1 sensor. Bank 1 sensor 2 seemed to be inop with constant voltage at about 1. As I understand, Bank 2, Sensor 2 is the post-cat O2 sensor located on the driver's (right) side (RHD vehicle). For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. Confirm similar voltage on bank and 2 MAF's and also log AFR and AF voltage readings on both primary O2's (note that weirdly cipher sometimes labels both as "bank 1"), fuel trims, and heater sensor correction %. P0138 is the OBD-II generic code indicating the O2 sensor for bank 1 sensor 2 fails to have a lower voltage output below 1. P0132,P0138,P0152,P0158 - the 4-Wire Oxygen sensor is equipped with a galvanic battery that typically generates a voltage signal between 0. Pins 3 & 4 are signal wires. Typically, the oxygen sensor produces a voltage between 0. Bosch LSU 4. Bank 1 - Sensor 1 (pre cat): 30 and stable Bank 1 - Sensor 2 (post cat): 50-60, but would often jump to 10s, and then back up to 50-60 Bank 2 - Sensor 1 (pre cat): 60 and stable Bank 2 - Sensor 2 (post cat): 50-60, but would often jump to 10s, and then back up to 50-60 I am pretty sure it is the jumping around that sets off the ECU. S60 O2 Sensor replacement. Bank 1 sensor 1 is the primary O2 sensor that should be located on the header. Pins 3 & 4 are the lamda sensor circuit. DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2 If this is your first visit, be sure to check out the FAQ by clicking the link above. Bank 2 Sensor 2 = This O2 sensor is located right after the catalytic converter, on the side with the Cylinder #2 that is Bank 2. #2 o2 sensor should be wired like this. This particular sensor keeps track of the exhaust stream to see what the oxygen levels are. P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor 2). 900 Volts when you sprayed carb spray into the vacuum hose. the sensor properly. You may need to raise the idle up until the o2 sensor starts switching. P2250 OBD-II Storingscode: O2-sensor Ref-spanning Circuit Hoog Bank 2-sensor 1 P2250-codedefinitie De P2250-foutcode detecteert een probleem met het stroomopwaartse zuurstofsensorscircuit in bank 2. The one on/at the exhaust manifold should be Bank 1 Sensor 1. O2 Sensor Circuit Low Voltage (Bank no. The onboard diagnostic (OBD) code P0136 is defined as an Oxygen Sensor Circuit Low Voltage in Bank 1, Sensor 2. Guidelines for replacing the oxygen sensors in your car, courtesy Bosch. 5 Amp fuse for the clock to reset the Pcm and then follow the instructions below. After plugging in the universal connector under the dash, we retrieved a code P0136 "O2 Sensor Circuit Malfunction (Sensor 2). 2 volts for over 10 seconds, this means the exhaust stream does not have any oxygen. P0144 on 2007 Mazda 6 2. You have two sensors, an upstream (sensor #1) mounted on the exhaust manifold behind the engine and a downstream (#2) mounted on the cat converter. Bank 1 sensor 2 is located at the back of bank 1. the sensor properly. TEST 1: Checking The O2 Signal With A Multimeter. The O2 sensor is constantly in a state of transition between high and low voltage. DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1. P0136 code definition. Important Suggestions And Tips. So, Bank 1 Sensor 2 should be the one under the car. 5 ohms resistance in either wire. Two wires are dedicated to the heating element and two wires are dedicated to the sensor. First is the positively controlled type of circuit. I replace the 02 sensor near the manifold (before the cat) as told to with a Bosch, but the light is still one, even after i reset the code it came back on. P0138 is a high voltage output on bank 1 sensor 2 (bank 1 is the same side as #1 clyinder, sensor 2 is after convertor) I would check for a rich fuel/air mixture causing the cat to overload. O2 Sensor Bank 1. This also happens when the computer detects problems with the oxygen sensor after the Catalytic Converter. 1 v) to near maximum (0. Specifications. The O 2 sensor's heater circuit is controlled in one of two ways. 21 volts indicating excessive oxygen in the exhaust. However, if the voltage output of the sensor is not under 1. O2 Oxygen Sensor Circuit High Voltage (Bank1, Sensor1) What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. The sole purpose of the downstream sensors is to monitor the cat converter to be sure it is processing the gases correctly. Veronica Perez, P0132: O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)means that your problem pertains to your o2 sensor circuit. 66 "constantly. These components have high voltage when the engine is running. I am surprised that it did not show sensor 1 malfunction code. Bank 1 Sensor 1 would be upstream of the catalytic converter. Strangely, I had to change both sensors while the code was only for 1 sensor. Oxygen sensors are laid out in banks, which refer to cylinders and in sensor numbers referring to before or after the catalytic converter. Got my Bank 1, sensor 2 replaced by my dealer a little less than a year ago which I thought would clear my check engine light. First is the positively controlled type of circuit. I have a 2003 Jeep TJ (unmodified) 4. After replacing the O2 sensor, the same codes are appearing, except the internal resistance too high code. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0137 O2 SENSOR CIRCUIT LOW VOLTAGE BANK 1 SENSOR 2">Go to Step 3. The oxygen sensor, also known as a lambda sensor, was developed in the late 1960s by Dr. The voltage signal for "Mixture too lean" (high residual oxygen) is between about 0 and 0. Looked like something got kicked up and sheared one wire and damaged another. Discussion Starter • #1 • Mar 2, 2009. 2003 Discovery tripping 2 codes, 1 for O2 Sensor Bank 1, the other for O2 Sensor Bank 2. Oxygen Sensor - Bank 1 Sensor 2. This tutorial will help you to test the upstream oxygen sensor (commonly known as the O2 Sensor Bank 1 Sensor 1: O2S11 and located before the catalytic converter). The rear oxygen sensor heater performs duty control, and the output terminal voltage at ON is 0 V, and the output terminal voltage at OFF is the battery voltage. If the oxygen in the exhaust gas decreases, the air-fuel ratio becomes Rich. Discussion Starter • #1 • Aug 1, 2010 check engine light came on when i cranked my truck up the other day. A faulty oxygen sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit can cause the following symptoms. No voltage to 02 sensor bank1 sensor 1. The heating element should have battery voltage on one wire with key on. 0 volts, so having a quality volt meter is important. A code P0137 may mean that one or more of the following has happened: Faulty o2 sensor Exhaust leak near the rear sensor Plugged catalyst Short to voltage on O2 signal circuit High resistance or. Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder. Anyway, the codes are both for the downstream O2 sensor (bank 1 sensor 2). However, if the voltage output of the sensor is not under 1. i have 2 fault codes - po137 , po157. The O2 Oxygen Sensor Circuit High Voltage Bank 1, Sensor 2 can usually be found within the catalytic converter. The O2 sensor is probably the problem, though you may also have a MAF problem as well. 2 volts for over 10 seconds, this means the exhaust stream does not have any oxygen. If the O 2 sensor heater circuit's negative wire goes directly to ground, look for a short-to-power problem. Having one new sensor and one old one on the same bank can cause problems. P2250 OBD-II Storingscode: O2-sensor Ref-spanning Circuit Hoog Bank 2-sensor 1 P2250-codedefinitie De P2250-foutcode detecteert een probleem met het stroomopwaartse zuurstofsensorscircuit in bank 2. A good O2 sensor should produce an oscillating waveform at idle that makes voltage transitions from near minimum (0. Strange part is there are not 3 O2 sensors on this model, it only has an upstream and downstream, total 2 sensors. 5 ohms resistance in either wire. Start the engine and observe the Bank 1 Sensor 3 (a. O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) What the P0138 code means. I have a 98 Cavalier 2. 15 volt or lower. You can check the two wires from the ecm connector to the 4 pin connector with an ohm meter. Cheers Mate, got em sorted, I replaced bank 1 sensor 2 and bank 2 sensor 2. 2 Sensor no. After replacing the O2 sensor, the same codes are appearing, except the internal resistance too high code. The Α/F sensor, sometimes referred to as the ΑFR sensor or air/fuel ratio sensor, looks like an oxygen sensor and serves the same purpose, but it is different in construction and operation. The PCM monitors and stores the heated oxygen sensor (HO2S) voltage information. The code P0131 is set when the signal voltage from the front O2 sensor is stuck low. After driving a while it returned ned. I pulled code P0137, 02 Circuit Low Voltage (Bank 1 Sensor 2). P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor 2). Check the output voltage at the O2 oxygen sensor with a digital voltmeter. 15 volt or lower. This code is triggered when the powertrain computer or PCM determines that the oxygen sensor voltage remained above 450 millivolts for more than twenty seconds (varies with vehicle make and model) or that the air fuel ratio sensor remained in a rich-biased. 45 volt mark O2 cross counts. update on my p0141 , read code with a u480 code reader , checked no2 O2 sensor with my multi meter and found no continuity on heater circuit the 2 white wires , rang pentagon vauxhall for the price of a new sensor £120 rang local breaker £40 , went on car parts connexion £43 from nidd vale motors (to good to be true I thought ) rang them up new genuine part , arrived yesterday fitted today. ho2s circuit low voltage bank 1 sensor 2 h02s circuit low voltage bank 2 sensor 2 do i have 2 sensors to replace or just one, and where are they located? … read more. Location: Bank 2 Sensor 2: Cause: Engine running for 2 minutes, ECT sensor input more than 176°F, then the test started and the PCM detected that the rear HO2S-22 signal was over 1. P0152= O2 sensor 2/1 circuit high. Bank 2 typically denotes the engine bank of the engine block that does not contain the number 1 cylinder. P0138 Dodge Description The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. There are probably a lot of sensor codes to choose from and here's a tip to help you sense the right oxygen sensor. P0137 is the OBD-II generic code indicating the O2 sensor for bank 1 sensor 2 is failing to increase the voltage output above. The Check engine hasn't been back on since I cleared the code but, I have a rough idle with occasional Surge and bad fuel economy. The zirconium oxide oxygen sensor generates an output voltage signal from 40mV¸100mV to 0. For optimum catalyst operation, the air-fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. Found broken black wire in harness to this sensor, just upstream of the connector at the sensor. 0 L in line 6 in case you were wondering. This sensor will be present on most modern engines of six cylinders or more. 1V (High Oxygen, Lean mixture) to 0. The O2 Oxygen Sensor Circuit High Voltage Bank 1, Sensor 2 is normally located in the catalytic converter, before the muffler, in the. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. Check the output voltage at the O2 oxygen sensor with a digital voltmeter. The o2 sensor is a four wire sensor. Here’s a pretty helpful video from AutoEclinic on diagnosing the code:. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. O2 Sensor Circuit Malfunction (Bank no. P1138 O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 2) P1139 O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2) P1151 O2 Sensor Heater Circuit Signal Intermittant (Bank 2 Sensor 1) P1152 O2 Sensor Heater Circuit Low Voltage (Bank 2 Sensor 1) P1153 O2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 1) P1155 O2 Sensor Heater Circuit. I am surprised that it did not show sensor 1 malfunction code. It should have, as the voltage is only 0. I replace the 02 sensor near the manifold (before the cat) as told to with a Bosch, but the light is still one, even after i reset the code it came back on. Is there any voltage present? Yes • Repair the short to voltage in the (K199) O2 2/1 Heater Control circuit. I got a code (P0158) for Bank 2 Sensor 2 O2 sensor shorted to voltage. The rear oxygen sensor installed after the catalytic converter is called 'downstream' or Sensor 2. Well pulling out the old O2 sensor and putting in the new one is pretty simple and straightforward. The heating element should have battery voltage on one wire with key on. This is the second O2 sensor in bank one (the side of the engine with cylinder 1). I guess the 2000's are a little different, because my rear O2 sensor comes out of the exhaust pipe behind the cat converter, not as you show coming out of the cat converter. After installing the sensor and resetting the code, it then stayed off until the next time I turned over the engine. After plugging in the universal connector under the dash, we retrieved a code P0136 "O2 Sensor Circuit Malfunction (Sensor 2). 02 Sensor Circuit High Voltage (Bank 1 Sensor 1) What the P0132 code means. Set Condition: The oxygen sensor voltage is above 1. Three good trips to turn off the MIL. Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 O2 heater element resistance is high Heated Oxyge Toyota Yaris Corolla 2008,2009,2010,2011 1NZ (FE) fault code P0010 Toyota Yaris Corolla 2008,2009,2010,2011 1NZ (FE) fault code P0010 camshaft position ''A'' Actuator circuit ( bank 1). A P0152 code refers to the Bank 2, sensor 1, o2 sensor. 5 Amp fuse for the clock to reset the Pcm and then follow the instructions below. I replace the 02 sensor near the manifold (before the cat) as told to with a Bosch, but the light is still one, even after i reset the code it came back on. P0138 is a high voltage output on bank 1 sensor 2 (bank 1 is the same side as #1 clyinder, sensor 2 is after convertor) I would check for a rich fuel/air mixture causing the cat to overload. P0138 code definition. P0136 is Oxygen Sensor Circuit Low Voltage (B1, S2). Key on engine off sensor disconnected should have battery voltage at brown/white wire, lack wire gets grounded by the computer to activate the heater circuit. 21 volts when the ECM has commanded the fuel to a. Gunter Bauman for the Robert Bosch GmbH company. When an oxygen sensor in a vehicle starts to have issues, either from a bad fuel mixture or the sensor itself going bad, it will trigger a number of codes in a vehicle computer. While the fix and testing. 5 Bank 1 Sensor 2" - by Timothy J (Chicago, IL) This resolved code P0138 for a 2011 Rav4 2. LR updated the ECM and it was resolved. It detects the amount of oxygen in the exhaust gas compared to the. In order to make the. Bank 2 Sensor 2 = This O2 sensor is located right after the catalytic converter, on the side with the Cylinder #2 that is Bank 2. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. Bank 1 sensor 1 is the primary O2 sensor that should be located on the header. Oxygen sensors are laid out in banks, which refer to cylinders and in sensor numbers referring to before or after the catalytic converter. Bank 1 Sensor 2 should be the sensor downstream of the catalytic converter. We’ll go over those below. As you're already aware, the O2 sensor's job is to measure the amount of oxygen in the exhaust. Bank 1 sensor 2 is located at the back of bank 1. P0133 - Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1) * Output voltage does not both go above 0. Some people have had good luck by cleaning off the O2 sensor head with an air blast and/or some yet unknown O2-sensor-safe solvent. I am not certain if this means that it just has no voltage or perhaps there is an electric issue in the wiring leading to the o2. The Check engine hasn't been back on since I cleared the code but, I have a rough idle with occasional Surge and bad fuel economy. P0132 Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 1) Jump to Latest Follow Status Not open for further replies. P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) or P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) or P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) ? and gives always the P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) my catalyst is a 200 cpi. Gunter Bauman for the Robert Bosch GmbH company. I have a 2003 Jeep TJ (unmodified) 4. Bank 1 sensor 1 is the primary O2 sensor that should be located on the header. The engine control module (ECM) sees the voltage of the O2 sensor for bank 2 sensor 1 above 1. The rear oxygen sensor installed after the catalytic converter is called 'downstream' or Sensor 2. she cleared it and now its on again. P0155 - Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) CIRCUIT DESCRIPTION. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three-way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. O2 Sensor Circuit High Voltage (Bank 1 Sensor 3) What the P0144 code means. In nutshell, when the O2 sensor reports an exhaust with a high concentration of oxygen, it produces a low voltage signal (under 0. OBD II fault code P0136 is defined as “Oxygen Sensor Circuit Malfunction (Bank I Sensor 2)”, and is set when the PCM (Powertrain Control Module) detects a voltage or signal from or to the #2-oxygen sensor that does not fall within predefined specifications. Two wires are dedicated to the heating element and two wires are dedicated to the sensor. The one on/at the exhaust manifold should be Bank 1 Sensor 1. The ECM monitors O2 sensor voltage and determines if exhaust is lean or rich. There are a couple different things that could trip this: PCM needs reflashed, O2 Sensor, Heater Ground Circuit is Open, Heater Control Circuit is open, or Control Circuit Shorted to Battery Voltage. took it to get it tested and the girl that did it said it was a bank 2 02 sensor high voltage code. There is a company that independent auto repair shops get their information from, this. I am surprised that it did not show sensor 1 malfunction code. This generic OBD2 code is set when the Powertrain Control Module (PCM) senses a shorted ground circuit in the upstream oxygen sensor. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. It may be the newer models like yours. O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2) What the P0137 code means. DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1. 0 volts and 1. P0132 | O2 Sensor Circuit High Voltage Bank 1 Sensor 1 | The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. 9 You mechanic might have messed up the O2 wires if he dropped the exhaust to but the gears in. With a 4 cylinder, everything should be Bank 1 (No Bank 2). Anyway, I will try and replace a new air fuel ratio sensor and see if p0420 goes away. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. P0132 trouble code definition. 35volts (other 3 sensor data displayed an active wave of voltage between. 2 volts for 7 seconds during a deceleration fuel cut off. 2 V (b) HO2 sensor voltage does not increase to more than 0. I am getting the codes above, and need to know which one is Bank 1, Sensor 2 specifically. You'll have to access it from underneath the vehicle. O2 sensor 1/2 signal circuit shorted to voltage, O2 sensor 1/2 return circuit shorted to ground. Now 2 codes p0131 02 sensor bank 1 sensor 1 same p0031 h02s bank 1 sensor read more. where those two wires attach and go to the sensor check continuity through heater element in the sensor it must have continuity if the sensor is good. Oxygen sensors are always numbered this way: Bank 1 Sensor 1 Bank 2 Sensor 1 Bank 1 Sensor 2 Bank 2 Sensor 2. The PCM (powertrain control module) uses the information from the HO2S to determine the oxygen level of the engine's exhaust system. The two codes are Heater Circuit malfunction, and High Voltage reading. I have replaced the O2 sensor a total of 3 times (under warranty) and I'm starting to think the O2 sensor isn't the problem. P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) BAT Team Discussions for P0138 2001 Honda Accord Are there any other trouble codes besides PO420?Remove the No 13,7. Bank 1 Sensor 2 should be the sensor downstream of the catalytic converter. P0152 | O2 Sensor Circuit High Voltage Bank 2 Sensor 1 | The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. If possible use a graphing multi-meter to analyze the O2 sensor data to. P0171 - System Too Lean Bank 1. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. P0138 code definition. Three good trips to turn off the MIL. This code sets when HO2 Sensor voltage is greater than 999 mV for more than 2 minutes (time depends on model. The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. CEL is not on any more. P1138 O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 2) P1139 O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2) P1140 Mass or Volume Air Flow Circuit Range/Performance Problem P1145 Solenoid Valve Running Losses Control Circuit Electrical P1151 O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 1) P1152 O2 Sensor Heater. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. The specific sensor I replaced was Bank 1 Sensor 2. Bank 1 sensor 2 is located at the back of bank 1. Here’s a pretty helpful video from AutoEclinic on diagnosing the code:. Bank 2 Sensor 2 = O2 sensor located after catalytic converter, on the side with Cylinder #2. Sensor 2 or S2 refers to the sensor after the catalytic converter. O2 Sensor Bank 1. The sensor 1 tag is indicating the upstream O2 sensor located just before the catalytic converter. Bank 1 Sensor 2 is located to the rear of the catalytic converter and should produce an output signal relative to oxygen storage capacity of the catalytic converter. " This let us zero in on the likely problem right away. O2 Sensor Circuit Slow Response (Bank 1, Sensor 2) What the P0139 code means. Making the fuel mixture artificially rich by feeding propane into the intake manifold should cause the sensor to respond almost immediately (within 100 milliseconds) and go to maximum (0. P0152 - o2 Signal High Bank 2, Sensor 1 Discussion in 'VZ Holden Commodore (2004 - 2006)' started by kronich3244, Jun 7, 2011. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0132 A/F / O2 SENSOR CIRCUIT HIGH VOLTAGE BANK 1 SENSOR 1 Dtc p0154 a/f / o2 sensor circuit no activity detected bank 2 sensor 1 DTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode. 0L SUV can be tested, and in this article, I'll show you how in a step-by-step fashion. P0138 code definition. The Α/F sensor, sometimes referred to as the ΑFR sensor or air/fuel ratio sensor, looks like an oxygen sensor and serves the same purpose, but it is different in construction and operation. 6 (AVU)): First, a disclaimerThe reader should be aware that I am not a professional and my knowledge of wideband sensors is limited. The sensor which acts similar to an open circuit does not generate any voltage when it is < 315°C(600°F). 1996 Land cruiser - Answered by a verified Toyota Mechanic (O2 Sensor Circuit Malfunction - Bank 1 Sensor 2) and P0137 (O2 Sensor Circuit Low Volts - Bank 1 Sensor 2). 2 Sensor no. Some cars have two banks of oxygen sensors. O2 Sensor Circuit Low Voltage (Bank 1. I plan on getting under my jeep this weekend/soon and switching the bank 2 sensor 2 lead to the bank 1 sensor 2 input lead wires, and vice versa and seeing if the readout the code reader changes to P0138 (o2 sensor voltage high bank 1 sensor 2), and if it does its the sensor that's malfunctioning. I have a 98 Cavalier 2. So - I gather I need to replace on O2 sensor on my 2005 Grand Caravan. All I want is the VSC function to work again and the lights to go off. Low voltage. 1996 Land cruiser - Answered by a verified Toyota Mechanic (O2 Sensor Circuit Malfunction - Bank 1 Sensor 2) and P0137 (O2 Sensor Circuit Low Volts - Bank 1 Sensor 2). The oxygen sensor signal voltage is below 1. Function; A: TAN: 413: HO2S Low Reference: B: PPL/WHT: 1665: HO2S High Signal [- Bank 1 Sensor 1] D: LT GRN/WHT: 3213: HO2S Heater High Control [- Bank 1 Sensor 1]. P0138 Diagnostic Trouble Code Discussion for May 2009 Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage * Note: This is a professional automotive technician's resource. Or, the downstream oxygen sensor might be labeled Bank 1 Sensor 3 if the engine has two upstream oxygen sensors in the exhaust manifold (some do to more accurately monitor emissions). This tutorial will help you to test the upstream oxygen sensor (commonly known as the O2 Sensor Bank 1 Sensor 1: O2S11 and located before the catalytic converter). O2 Sensor Circuit Malfunction (Bank no. 2 Sensor no. A good O2 sensor should produce an oscillating waveform at idle that makes voltage transitions from near minimum (0. The PCM (powertrain control module) uses the information from the HO2S to determine the oxygen level of the engine's exhaust system. Those techniques have unfortunately not worked for me. I am going to get a new sensor, but need to know which one it is. The normal value for a balanced mixture is about 0. (Bank 1 would contain cylinder 1 and bank 2 is the opposite bank. There are a couple different things that could trip this: PCM needs reflashed, O2 Sensor, Heater Ground Circuit is Open, Heater Control Circuit is open, or Control Circuit Shorted to Battery Voltage. Trouble code P0138 means:O2 sensor circuit high voltage (Bank 1 Sensor 2) Asked in Ford Explorer , Ford Explorer Sport , Ford Explorer XLT What does a p0152 code mean on a 1997 ford explorer ?. The o2 sensor bank 1 sensor 2 reading was flat line on 0. A code P0137 may mean that one or more of the following has happened: Faulty o2 sensor Exhaust leak near the rear sensor Plugged catalyst Short to voltage on O2 signal circuit High resistance or. HO2S Shorted to Voltage Conditions. What the P0131 code means P0131 is telling us there is a fault in the oxygen sensor, located in. After replacing the O2 sensor, the same codes are appearing, except the internal resistance too high code. This particular sensor keeps track of the exhaust stream to see what the oxygen levels are. Parts dealer has 2 different ones in their system for this van. I have a 98 Cavalier 2. P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor 2). 1, bank 2 would be the other side. 10 volts for the reverse condition. Step 7 Turn the vehicle back on and check the reading on the voltmeter. " This let us zero in on the likely problem right away. The old sensor I took out looked in pretty good shape. S60 O2 Sensor replacement. 15 volt or lower. I have heard you can put dummy sensors in. I understand you need a special tool. A code P0137 may mean that one or more of the following has happened: Faulty o2 sensor Exhaust leak near the rear sensor Plugged catalyst Short to voltage on O2 signal circuit High resistance or. 3-wire sensors should be replaced after 100,000 miles of service. 66 "constantly. O2 Sensor Bank 1. Then a new genuine lamda sensor was put in. Oxygen sensors are laid out in banks, which refer to cylinders and in sensor numbers referring to before or after the catalytic converter. P0138-O2 SENSOR 1/2 CIRCUIT VOLTAGE TOO HIGH When Monitored: With battery voltage greater than 10. com: The unheated 1 or 2 wire O2 sensors, used in vehicles from mid-1970s through early 1990s, replace every 40,000 to 50,000 miles. The Α/F sensor, sometimes referred to as the ΑFR sensor or air/fuel ratio sensor, looks like an oxygen sensor and serves the same purpose, but it is different in construction and operation. The sensor which acts similar to an open circuit does not generate any voltage when it is < 315°C(600°F). "Replacement for 2011 Rav4 2. The B2S1 sensor is the one on the front bank of cylinders. Start the engine and observe the Bank 1 Sensor 3 (a. 2 Sensor no. Oxygen Sensor related Engine Codes - Don't Jump to Conclusions!! Many engine codes may relate to the oxygen sensor however it is not always the sensor that is the cause of these codes. 0 L in line 6 in case you were wondering. If the O 2 sensor heater circuit's negative wire goes directly to ground, look for a short-to-power problem. Voltage output from the sensor varies from 0. 35volts (other 3 sensor data displayed an active wave of voltage between. About 2 hours later as I'm going thru an intersection, the truck lost all its power for a second and the CHECK ENGINE light came back on. You can check the two wires from the ecm connector to the 4 pin connector with an ohm meter. If a V6, V8 or V10 engine has dual exhausts with dual converters, the downstream O2 sensors would be labeled Bank 1, Sensor 2 and Bank 2, Sensor 2. One Trip Fault. 66 "constantly. Some people have had good luck by cleaning off the O2 sensor head with an air blast and/or some yet unknown O2-sensor-safe solvent. P0144 is the OBD-II generic code which indicates that the Engine Control Module (ECM) has. The newest style, Heated Wideband O2 Sensors, have a voltage range of between 2 and 5 volts. If it is stuck high, or close to 1 volt and the voltage doesn't vary, then check for a good ground on both the heater element and the sensor. If it is varying, it is an indication the cat converter is bad. If you can give us the engine size and the model year of your Honda, we might get you a better location of the sensor. The sensor which acts similar to an open circuit does not generate any voltage when it is < 315°C(600°F). The upstream sensors are mounted in the exhaust manifolds (look sort of like spark plugs) and have wires going to them. Joined Apr 26, 2009 · 4,391 Posts. Code P0138 is caused by an O2 Sensor Circuit High Voltage (Bank I Sensor 2). 1, bank 2 would be the other side.