Oxygen Sensor Heater Monitor Drive Cycle


READINESS MONITOR DRIVE PATTERN PURPOSE OF READINESS TESTS • The On-Board Diagnostic (OBD II) system is designed to monitor the performance of emission related components, and indicate any detected abnormalities with DTCs (Diagnostic Trouble Codes). Some enabling criteria to complete the oxygen sensor heater monitor may not always occur and the heater monitor goes uncompleted for several drive cycles. P0031 - Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) have to do with the O2 sensor? the evap monitor test section of the drive cycle - so. These days, the newer heater elements also require less electrical power than before, and can bring the O2 sensor up to operating temperature, typically in about 10 seconds from dead cold. ) Edit to add: Disconnecting the battery does remove the active code from the computer of most vehicles. Hi All, I have a 2001 v70 2. 3 Drive Cycle Information 43 5. In order to be classified as a cold start the engine coolant temperature must be below 50°C (122°F) and within 6°C (11°F) of the ambient air temperature at startup. You've recently read about How to do A Basic Drive Cycle on a previous article. First developed in the '80s, O2 sensors are mounted in the exhaust stream and monitor the content of the exhaust gases as they make their way through the system. Important: At least 3 drive cycles, with a minimum of 17 hours between drive cycles, are required for the EVAP System Status to complete. RRE's EVO X Diagnostic Trouble Codes and Malfunction Indicator Heated oxygen sensor (rear) heater circuit low Mass airflow sensor plausibility (torque monitor. OBDII Drive Cycle Test Inspection Tire Pressure Monitor Lamp Diagnosis Vibration Oil Pump Replacement Oxygen Sensor Replacement Oxygen Sensor Test. AIR-FUEL RATIO (A/F) AND HEATED OXYGEN (HO2) SENSOR HEATER MONITORS (FRONT A/F AND REAR HO2 SENSOR TYPE) Preconditions The monitor will not run unless: The MIL is OFF. It hasn't set any other codes but I replaced the upstream sensors just in case, but no luck. P1132 Lack of Upstream HO2S Rich Bank 1 means a HEGO sensor indicates a rich condition at the end of a test trying to correct for over-lean condition. system, oxygen sensor system, oxygen sensor heater system, secondary air injec-tion, air conditioning system and heated catalyst. A Scan shows “–Not Ready–” as we would expect. OBDII checks for ignition misfire, fuel trim and canister purge. This monitor checks the catalytic converters' ability to convert harmful exhaust emissions into less harmful substances. It is P0161. 3) Stop and idle for 3 minutes. Car is 2014 GT. OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool. OBD II regulations require the Oxygen Sensor Heater Monitor to test the operation of the front and rear oxygen sensor heaters. Contribute to brendan-w/python-OBD development by creating an account on GitHub. Upstr Heated Oxygen Sensor Heater circuit fault - Bank No. If the code does not return after the completion of a several drive cycles, the repair can be seen as successful, but if the code does return, it is likely that an. In other words, if the oxygen levels before and after the converter do not change, the converter is not working. How to Replace a Faulty Oxygen Sensor. I already drove the car over 100 miles and it's still a no go. Have you replaced the bad O2 sensor yet? The ready/not-ready signal comes from one bit being set or clear in each of the OBD-II PIDs. "To perform an OBDII Driving cycle do the following: Cold Start. I currently have an OBDII scanner and I confirmed the above with the addition of Oxygen Sensor Mon-Inc. the computer wont put the p0420 code on until the vehicle has gone through the appropriate number of complete drive cycles for the emmissions system. Readiness Monitor Drive Cycle. The upstream oxygen sensor on your OBD II equipped Jeep 4. The PCM may not like the responses it gets from the O2 sensor causing the readiness monitor to give you the issue. Certain models 1996-2002. NOTE: The ignition key must not be on prior to the cold start otherwise the heated oxygen sensor diagnostic may not run. There are no codes or CEL or anything so I don't know which of the 4 sensors is malfunctioning (if that is the case). Number of completed OBD-II drive cycles; Number of completed OBD-II trips; Number of ignition key codes supported; Number of Packets Decoded Since last Transmission; Number of Programmed Transmitters; Number Of Transitions due to I/O Test; Number of trips since the time of misfire; O2 Sensor - Bank 1 Sensor 1; O2 Sensor - Bank 1 Sensor 2; O2. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. The oxygen sensors need to see this loss in efficiency over a number of drive cycle conditions. A/C Refrig Mon Air Conditioning Refrigerant Monitor Oxygen Sens Mon Oxygen Sensor Monitor Oxygen Sens Htr Oxygen Sensor Heater Monitor EGR System Mon Exhaust Gas Recirculation Monitor This is a complete list of I/M Monitors supported by the Tool. Pre-Conditioning Requirements: MIL must be off. P0161(M) 2/2 02 Sensor Heater Failure: Oxygen sensor heater. With the engine warm (greater than 80°C), and the transmission in Park position, proceed as follows: - Start engine and increase engine speed to between 2,000 to 2,500 RPM for 2 minutes. However, when I went for the test last week it said that the test couldn't be complete because 2 sensors were showing as "Not Ready" the EVAP and Heater O2 sensor. Perform This to Reset Your Monitors, Check to See if The Check Engine Light Will Come Back After A Repair, or to Pass an Emissions Inspection. About 30 states have implemented regulations for inspecting the vehicle's On-Board Diagnostic (OBD) system as part of their state emissions inspection program. I own a 2006 Hyundai Sonata GLS 3. When a problem is detected, the OBD II system turns on a warning lamp (MIL) on the vehicle instrument. But what if the basic drive cycle didn’t work? Continue reading and find out more about what you should do if the drive cycle won’t complete. You must do a double check on the preparation of the vehicle. HO2S S2 HEATER CURRENT: HO2S S2 Heater Current (A) It indicates the drive current of O2 sensor heater. If the oxygen sensor and catalyst monitors are also not ready, the culprit is most likely a weak battery. 1) Connect scan tool in order to observe data stream and monitor status. First step: The vehicle preparation. The criteria to run the monitor is there on the images, we have try several times and does not run the single monitor, I checked for TSB I did not find any related to monitor only info I find is to set monitor by following drive cycle criteria. In two cases now, I have had rear O2 sensor heater codes thrown after driving on the highway for 10-15 minutes after not having been on it for long periods in months. 5) Stop, turn key off and leave off for ten minutes. 3) Stop and idle for 30 seconds. Heated O2 (Oxygen) Sensor: Some oxygen sensors include an electric heater to help them warm up quicker and to begin operating faster. IDLE TIME: Run engine (do not drive) for 2 1/2 minutes with the air conditioner on and rear defroster on. 4) Drive (with steady throttle) at a speed above 20 mph for 2 minutes. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections. However, when I went for the test last week it said that the test couldn't be complete because 2 sensors were showing as "Not Ready" the EVAP and Heater O2 sensor. 5) Turn key off, leave off for ten minutes (to run O2 sensor heater monitor). In order to be classified as a cold start the engine coolant temperature must be below 50°C (122°F) and within 6°C (11°F) of the ambient air temperature at startup. How to Do BMW OBDII Drive Cycle for Smog Check: Why do I need to do a drive cycle? If you have recently changed the battery on your BMW or done a major repair for the engine or emission system, the on board computer has mostly been reset. If the code does not return after the completion of a several drive cycles, the repair can be seen as successful, but if the code does return, it is likely that an. READINESS MONITOR DRIVE PATTERN 1. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. Fuel-cut control is performed for 8 seconds or more (for the Rear HO2 Sensor Monitor). A lot of times it will take several drive cycles before the ECU will set a code, because the ECU must be monitoring the sensor or system at the time of the fault. The reason for this is that I missed some of the O2 sensor DTC's when I went through the list. • The battery voltage is between 10-18 volts. Stop and idle for 30 seconds. The It will cycle through each code every 3 seconds. Oxygen Sensor heater monitor won't set ready I did the exact procedure desribed in the GM drive cycle. The oxygen sensor (also commonly referred to as the O2 sensor) is one of the earliest innovations for emission controls. We've been testing a few settings ourselves. In addition, some vehicle manufacturers provide information on how a vehicle owner can determine if the OBD system is ready for emissions checking by performing a certain procedure. Drive (with steady throttle) at a speed between 40 and 60 mph for 8 minutes. 6 Oxygen Sensor Monitoring 45 5. 3 Oxygen Sensor Heater Monitoring Description 48 5. The Mazda Enhanced Add-on adds hundreds of parameters, Number of Drive Cycles where Brake Override Accelerator Action Occurred Oxygen sensor heater monitor. What really sucks is I just found out that I can get tested here in Arizona with 1 monitor not ready so I could have gone with just the O2 sensor heater not set. Who is correct?. I took it for Mass. So any O2 sensor problems have to be dealt with before you can use the OBD II system to diagnose the. Follow recommended drive cycles in Service Bulletin 2-23-0056. If there is an issue with the oxygen sensor rediness monitor, no codes will be reported until that monitor test completes. 4) Drive (with steady throttle) at a speed above 20 mph for 2 minutes. concerning the O2 monitor, no H, did you replace the O2 sensor with a brand name part. This will test the O2 heater, passive air, purge "no flow. OBDII checks oxygen sensor heater circuits, air pump and EVAP purge. DIAGNOSIS. OXYGEN SENSOR MONITOR DRIVE CYCLE. Drive pattern Connect the intelligent tester to the dlc3. Heated O2 (Oxygen) Sensor: Some oxygen sensors include an electric heater to help them warm up quicker and to begin operating faster. Pre-Conditioning Requirements: - MIL must be off. Your harness MAY NOT have a pin in a location I have listed having a wire. 2) Drive with a steady vehicle speed above 25 mph for 2 minutes. 6 mA or more for more than 3 seconds of cumulative time, the ECM interprets this as a malfunction in the A/F sensor and sets DTC P2195 (high-side stuck). I attempted the drive cycle a few more times after, but no luck. drive cycle). Toyota has various OBD2 readiness monitors for emissions testing, and by conducting a Toyota Drive cycle, you can activate and ready the Toyota ODBII sensors. Connect an intelligent tester to the DLC3. The number of Monitors read by the Tool from your vehicle may vary. What really sucks is I just found out that I can get tested here in Arizona with 1 monitor not ready so I could have gone with just the O2 sensor heater not set. Some enabling criteria to complete the oxygen sensor heater monitor may not always occur and the heater monitor goes uncompleted for several drive cycles. The results of the scan were Catalyst Mon-Inc, Evap System Mon-Inc, and Oxygen Sensor Htr Mon-Inc. Start the engine. coast vehicle down to 20 mph (vehicle in drive or w/ clutch engaged, brake off) 4. With the O2 sensor wire disconnected, connect an ohmmeter across the heater terminals in the sensor connector. Included are the HO2S monitor, HO2S Heater monitor, and Catalyst monitor. intrusive evap test engine air flow active not set > 60 s not set running < 800 °C > 10. 1 Description 51 5. What causes a monitor to be "Not Ready"? When the vehicle diagnostic computer runs the evaluation routine, it is looking. Catalyst Monitor Drive Trace. Number of completed OBD-II drive cycles; Number of completed OBD-II trips; Number of ignition key codes supported; Number of Packets Decoded Since last Transmission; Number of Programmed Transmitters; Number Of Transitions due to I/O Test; Number of trips since the time of misfire; O2 Sensor - Bank 1 Sensor 1; O2 Sensor - Bank 1 Sensor 2; O2. In order to be classified as a cold start the engine coolant temperature must be below 50°C (122°F) and within 6°C (11°F) of the ambient air temperature at startup. 3) Drive the vehicle at a steady speed between 43 & 56 mph for three to five minutes. Turn the A/C and rear defrost off, and accelerate to 55 mph at half throttle. Looking at mode $06 tests, it seems to be the rear sensor that is preventing these monitors from running. However, to satisy all of the different Trip enable criteria and run all of the OBD II diagnostic monitors, the vehicle must be driven under a variety of conditions. I pulled it from the Autozone. Modular V10 (6. Here are the monitor drive cycle instructions. I then drove it on the highway for about 60 miles round trip before bringing it back. 4) Drive (with steady throttle) at a speed above 20 mph for 2 minutes. O2 Sensor Monitor Drive Trace Idle for 5 minutes Smoothly accelerate and maintain a speed above 25 mph for 2 minutes. But i'm no expert. With the O2 sensor wire disconnected, connect an ohmmeter across the heater terminals in the sensor connector. Typically the PCM will enable the monitor, conditions for completing the oxygen sensor monitor will be met and that monitor will successfully complete. I've driven over 120 miles over 2 days both highway and stop and go and they are still not ready. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. The Catalytic Converter Monitor uses 02 Sensors to run its monitor so the 02 Sensor monitor must. • The MIL is activated after a fault is detected on two consecutive OBD II drive cycles. The car has also been driven around 400 miles since we last. The second one is the problem. So I had an issue with my drive cycle not wanting to complete. The second one is the problem. Duty Cycle Monitor Data: % of Time at 0 - 10% Load Drive Cycle Stored Max Rail Pressure - Since Powerdown Oxygen Sensor 2/1 Heater Duty-Cycle Oxygen Sensor 2. Drive the vehicle at a steady speed at or above 25 mph (40 km/h) for at least 50 seconds. I have a question about the readiness of the Oxygen Sensor Heater (HO2) monitor: Some weeks ago I had a P0134 (with a '96 Plymouth Voyager). Is your battery possibly low? or you have slow crank or need to boost vehicle? If so the PCM will loose power while cranking if it drops to low and the monitors will start all over everytime you start the vehicle. What really sucks is I just found out that I can get tested here in Arizona with 1 monitor not ready so I could have gone with just the O2 sensor heater not set. The ECM is programed to run the monitors in a certain sequence. Input from the ECT, IAT, TP and CKP sensors is required to activate the EGR System Monitor. Computer problem 2002 Ford F250 V8 Two Wheel Drive Automatic 160k miles This truck will not pass state inspection because the O2 sensor monitor and the O2 sensor heater monitor will not run. I took it in this morning to get inspected and it showed O2 sensor not ready, resulting in a failure. If the code does not return after the completion of a several drive cycles, the repair can be seen as successful, but if the code does return, it is likely that an. This bulletin provides additional information to Subaru State I/M Program Advisory Bulletin # 11-98-10R. If you scan your jeep for the 7 "ready codes" and O2 Heater fails to get into "ready" status, then this is your fix. The oxygen sensor (also commonly referred to as the O2 sensor) is one of the earliest innovations for emission controls. If there is a current O2 sensor code, the Monitor will not reset. TI offers multiple enhanced reliability levels to meet your system needs. The car seems to be running fine and it is not throwing any codes. Catalytic Converter Drive Cycles The catalytic converter monitor may require specific driving conditions before it will run. AIR-FUEL RATIO (A/F) AND HEATED OXYGEN (HO2) SENSOR HEATER MONITORS (FRONT A/F AND REAR HO2 SENSOR TYPE) Preconditions The monitor will not run unless: The MIL is OFF. Oxygen Sensor Heaters. READINESS MONITOR DRIVE PATTERN 1. With the engine warm (greater than 80°C), and the transmission in Park position, proceed as follows: - Start engine and increase engine speed to between 2,000 to 2,500 RPM for 2 minutes. This tells me something is wrong, although unusual that it wouldn't throw a check engine light as a result of a bad O2 sensor or something?. The drive cycle that enables a monitor and sets the readiness codes to "Ready" varies for each individual monitor. You will clear out the remaining OBDII monitors which include the O2 sensor Heater Monitor (separate from the actual O2 Sensor monitor), the EGR system monitor, and Evaporative Emissions Monitor. I own a 2006 Hyundai Sonata GLS 3. To perform an OBDII Driving cycle do the following: Cold Start. These tend to show that the HO2S sensors may be failing, and may often be associated with the Lack of Switch DTCs P0131/0132 and P0151/0152. Number of completed OBD-II drive cycles; Number of completed OBD-II trips; Number of ignition key codes supported; Number of Packets Decoded Since last Transmission; Number of Programmed Transmitters; Number Of Transitions due to I/O Test; Number of trips since the time of misfire; O2 Sensor - Bank 1 Sensor 1; O2 Sensor - Bank 1 Sensor 2; O2. As you know, a catalytic converter is a major part of the vehicle's emission control system. Perform a second drive cycle to confirm the DTC. The more electrical load you can apply the better. OXYGEN SENSOR HEATER MONITOR - 02 Sensor Heater Diagnostics (do not interrupt this portion of the test). Title: READINESS MONITOR DRIVE PATTERNS Models: All ’96 – ’02 Technical Service Information Bulletin February 8, 2002 10 Oxygen/AF Sensor Heater Monitor 15. OBD drive cycle. 21 Downstream Heated Oxygen Sensor Shorted To Voltage. OBDII checks oxygen sensor heater circuits, air pump and EVAP purge. If the oxygen sensor heater monitor is not ready, check to see how many other monitors are not ready. NOTE: The ignition key must not be on prior to the cold start otherwise the heated oxygen sensor diagnostic may not run. Your Ford, Lincoln, or Mercury vehicle will support a subset of the parameters listed below, depending on the vehicle year, model, and options. If you have performed the necessary driver cycles and have not lost battery voltage or reset the computer at any time then you either have a problem with the heater circuit of the sensor or the computer is failing. When an oxygen sensor goes bad, the vehicle will usually begin to use more fuel than it needs to, thereby increasing the amount of harmful emissions. Monitor IAC PID duty cycle and/or voltage. 3 Drive Cycle Information 54. So any O2 sensor problems have to be dealt with before you can use the OBD II system to diagnose the. The shop told me that the oxygen sensor and Catalyst Monitor are not ready and I have to drive it for some time. COMPLETE PCM Reset to clear DTCs. Can someone post the OBD2 drive cycle for BMW? At some point during the month of August the Roadfly forums are going to become archive only. Any suggestions?. I tried the cycle again and I successfully completed my EVAP and oxygen sensor heater monitors. The ECM is programed to run the monitors in a certain sequence. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. But what if the basic drive cycle didn't work? Continue reading and find out more about what you should do if the drive cycle won't complete. I found the actual "drive cycle" for procedure for my car (02 Chevy Malibu) & my OBD-II scanner still shows the Heater O2 & EVAP as not ready. After 3 more highway spins and attempting to follow GM drive cycle as best as possible, no change. Oxygen Sensor Heater Monitor is a two-trip monitor. View services, compare prices, read reviews, and more with CarComp. drive cycle S-Series Tech Do not leave the key on prior to the cold start or the heated oxygen sensor diagnostic may not run. Turn the A/C and rear defrost off. Accelerate part 1. Oxygen Sensor Heaters. The drive cycle to make them go ready is pretty complex. So here is some more info I was able to find using the car that I did get to finally pass the o2 sensor and o2 heater monitor. The reason for this is that I missed some of the O2 sensor DTC's when I went through the list. The P0158 code means that the O2 sensor sensing circuit has a too high voltage. Turn the A/C and rear defrost off. But, this is not an automatic pass or fail. With the O2 sensor wire disconnected, connect an ohmmeter across the heater terminals in the sensor connector. drive cycle has been performed. The upstream oxygen sensor on your OBD II equipped Jeep 4. The GM EVAP monitor procedure is a known trouble spot for all GM vehicles (regardless of any tunes or the AFM Disabler being installed). OBDII checks oxygen sensor heater circuits, air pump and EVAP purge. My code is O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1. 4) Smoothly accelerate to a speed between 30 and. OBDII Drive Cycle Procedures Do not leave the ignition key on prior to cold start or the oxygen sensor heater tests may not the catalyst monitor diagnostics. 5) Stop the vehicle and idle in drive or neutral for 40 seconds. I've driven over 120 miles over 2 days both highway and stop and go and they are still not ready. Generic OBD II "Drive Cycle" Most OBD II ("On-Board Diagnostics II") diagnostic monitors will run at some time during normal operation of the vehicle. Stage 2: Idle 2½ Minutes —Turn the air conditioning (A/C) and headlights on to help the misfire moni tor—the additional electrical loads. This means the compul- sory introduction of a standard system which has the facility to record errors in a vehicle’s engine management system that would affect the output of emissions. 5) Turn key off, leave off for ten minutes (to run O2 sensor heater monitor). Oxygen Sensor Heater EGR (Exhaust Gas Recirculation) and/or VVT System In order for these self tests to pass and for the corresponding readiness monitors to set, the car has to be driven for a certain amount of time, accelerating and holding in certain speed ranges, and may have to be started and stopped multiple times. The vehicle had come from another shop, which had already replaced the oxygen sensor. You will need 10-15 minutes of steady state cruising at 55-65 mph to run the oxygen sensor test. In this month's driveway diagnostics we show you how to test and repair a bad oxygen sensor. It's illogical but possible that the O2 sensor has to be good before the monitor can be ready. If your smog technician tells you the specific drive cycle to perform, you can focus on just triggering that drive cycle. 8L Failure to set Oxygen sensor monitor. Is your battery possibly low? or you have slow crank or need to boost vehicle? If so the PCM will loose power while cranking if it drops to low and the monitors will start all over everytime you start the vehicle. concerning the O2 monitor, no H, did you replace the O2 sensor with a brand name part. 8 Drive Cycle Information 49 5. I attempted the drive cycle a few more times after, but no luck. To perform an OBDII Driving cycle do the following: Cold Start. So in conclusion, the dealership may have very well perform the repairs required to get the Oxygen Sensor Heater monitor to run, however the A/C switch will have to be repair as well in order for you to be able to turn off the A/C system and have the drive cycle to complete. Rear O2 heater bank 1 (left) On/Off x bit 32 A9 O2HeaterFrontRight Front O2 heater bank 2 (right) On/Off x bit 64 A9 O2HeaterRearRight Rear O2 heater bank 2 (right) On/Off x bit 128 AA Braking Brakes Pressed On/Off x bit 16 B3 ATGearNeutral Gear: Neutral (A/T) On/Off x bit 1 B3 ATGearDrive Gear: Drive (A/T) On/Off x bit 2 B4 ATGearPark. Smoothly accelerate and maintain a speed between 30 to 40 mph Repeat idle and acceleration to 30-40 mph five times. Twelve years and more than 100,000 miles have passed under your trusty. OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool. Does anyone know where I can find out Jeep drive cycles (traces)? Due to my relay repair the PCM was reset. that the oxygen sensor heater resistance can be calculated. It involves rewiring the fuel pump relay and Auto Shut Down systems. Obviously, replacing the sensor was not the proper fix. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on. Repeat next day. I am working on a 1996 280C. First 15 minutes highway drive all monitors except O2 heater sensor and Evap ran. We have a few changes that helped a stock manifold car complete the catalysts, o2 sensor, and o2 heater after only a few drive cycles. A "Trip" Drive Cycle provides the "Enabling Criteria" for one specific Monitor to run and complete its diagnostic testing. Do not leave the key on prior to the cold start or the heated oxygen sensor diagnostic may not run. ️ ️Emission test can be a pain in the neck, I'm going to cover with how to quickly get your smog oxygen Monitor ready ️Watch the whole drive cycle https://. ABS, OBDII, and CAN Scan Tool drive cycle. I rescaned all the monitors and the O2's still did not reset. You'll have to just drive it several times. Readiness Monitors and Drive Cycles Readiness Monitors and Drive Cycles. If the code was/is in history, then the codes were not cleared correctly enough for the monitor to be reset. It's illogical but possible that the O2 sensor has to be good before the monitor can be ready. Have you replaced the bad O2 sensor yet? The ready/not-ready signal comes from one bit being set or clear in each of the OBD-II PIDs. The repair is described in TSB #25-001-07. 8 Drive Cycle Information 49 5. Upstr Heated Oxygen Sensor Heater circuit fault - Bank No. Trouble codes less than 1000 are generic OBDII codes and apply to all OBDII compliant vehicles as a minimum Federal Standard. Heated O2 (Oxygen) Sensor: Some oxygen sensors include an electric heater to help them warm up quicker and to begin operating faster. Anyone have any drive cycle tips to get the o2 and o2 heater monitor to set as ready? This thing is driving me crazy! I have stock exhaust except axle back. Maintain engine speed above 900 rpm. ABS, OBDII, and CAN Scan Tool drive cycle. You will need 10-15 minutes of steady state cruising at 55-65 mph to run the oxygen sensor test. OBDII checks oxygen sensor heater circuits, air pump and EVAP purge. What, specifically, do you have to do (drive cycle-wise) to get the OBDII O2 sensor heater monitor and/or vent monitor to set on a 2003 BMW x5? We passed emissions and have no pending OBDII faults but battery drained a couple of months ago and these two monitors won't set. Follow drive cycle. The PCM checks the performance of the oxygen sensor heater to ensure that it is heating the sensor during cold start conditions. O2 Sensor Heater Monitor Drive Trace. Everything else is ready. CAUTION Two people must be in vehicle when. Monitor IAC PID duty cycle and/or voltage. Heated O2 (Oxygen) Sensor: Some oxygen sensors include an electric heater to help them warm up quicker and to begin operating faster. P1132 Lack of Upstream HO2S Rich Bank 1 means a HEGO sensor indicates a rich condition at the end of a test trying to correct for over-lean condition. The “5” in the “q” location indicates the Catalyst Monitor and Evaporative System Monitor tests have not been completed. In this month's driveway diagnostics we show you how to test and repair a bad oxygen sensor. The Heater circuit on Gems is tested during Drive cycle C Here is a cut and paste of how to do it Ignition on for 30 seconds Engine start Engine idle for 2 minutes Engine Coolant Temperature (ECT) less than 140?F (60?C) 2 light accelerations, 0 to 35 mph with light pedal pressure 2 medium accelerations 0 to 45 mph with moderate pedal pressure. if you do it backwards you'll just get a negative voltage reading. So far this one last system refuses to set. system too lean bank 1. You must do a double check on the preparation of the vehicle. 5) Repeat steps 3 & 4 five (5) times. 5 Drive Cycle Information 52 5. Evaporative System Monitor z Oxygen Sens htr --O2 Sensor Heater Monitor z Sec. The criteria to run the monitor is there on the images, we have try several times and does not run the single monitor, I checked for TSB I did not find any related to monitor only info I find is to set monitor by following drive cycle criteria. NOTE: The ignition key must not be on prior to the cold start otherwise the heated oxygen sensor diagnostic may not run. I went for a smog check and couldn't get tested - Twice. OBDII Drive Cycle Test Inspection Tire Pressure Monitor Lamp Diagnosis Vibration Oil Pump Replacement Oxygen Sensor Replacement Oxygen Sensor Test. Connect Scan tool in order to observe data stream and monitor status. I decided to check all 02 sensor. Monitor completion is also dependent on properly functioning components, so a vehicle may. Once a second drive cycle is completed, a current DTC will be stored. Note that for this monitor to run or complete successfully, the CHECK ENGINE light must not be illuminated, and both the oxygen sensor monitor, and the oxygen sensor heater element monitor must have completed successfully. This Idle portion of our How To Perform a GM OBDII Driving Cycle, is vital to “setting the table” for your driving cycle. Perform This to Reset Your Monitors, Check to See if The Check Engine Light Will Come Back After A Repair, or to Pass an Emissions Inspection. I agree with the specific drive cycle being crazy. Any suggestions?. A front oxygen sensor is installed in the exhaust manifold or in the front exhaust pipe before the catalytic converter. The Catalytic Converter Monitor uses 02 Sensors to run its monitor so the 02 Sensor monitor must. Turn the ignition switch to the ON position. As you can see, after writing in the new tune, I have 2 complete readiness monitors and 1 incomplete. I currently have an OBDII scanner and I confirmed the above with the addition of Oxygen Sensor Mon-Inc. Oxygen Sensor Heater Monitor is a two-trip monitor. Pre-Conditioning Requirements: Driving Procedure: Drive the vehicle at a steady speed at or above 25 mph (40 km/h) for at least 50 seconds. What really sucks is I just found out that I can get tested here in Arizona with 1 monitor not ready so I could have gone with just the O2 sensor heater not set. Exhaust Gas Recirculation (EGR) Monitor: This monitor is designed to monitor the Exhaust Gas Recirculation (EGR) system. If you let the car sit and idle for a while, like 10 to 15 minutes at operating temperature, it should be enough to set the heated o2 monitor. P0135 Slow Response, Sensor, Bank 2. • This is a continuous monitor (HO2S heater). 7 EVAP Monitor (Engine RPM monitor) In–35 8 Heated Oxygen Sensor Monitor (Front and rear heated oxygen sensors equipped) In–36 9 A/F Sensor and Heated Oxygen Sensor Monitor (Front A/F sensor and rear heated oxygen sensor equipped) In–37 10 Oxygen Sensor Heater and A/F Sensor Heater Monitor In–38 CAUTION:. If your smog technician tells you the specific drive cycle to perform, you can focus on just triggering that drive cycle. OXYGEN SENSOR HEATER MONITOR - 02 Sensor Heater Diagnostics (do not interrupt this portion of the test). The one without uses the ASD and Fuel Pump relays. The shop that called me also replaced the O 2 sensor. Here is the drive cycle. I pulled it from the Autozone. If your battery is more than four years old, replace it and re-run the Drive Cycle. P1031 - Heated Oxygen Sensor (HO2S) Heater Current Monitor Control Circuit Banks 1 and 2 Sensor 1 P1032 - Heated Oxygen Sensor (HO2S) Heater Warm Up Control Circuit Banks 1 and 2 Sensor 1 P1101 - Actual measured airflow from MAF, MAP, EGR, and TP is not within range of the calculated airflow. Were any of the above conditions or concerns found during inspection? Yes No REPAIR source of contamination. As you can see, after writing in the new tune, I have 2 complete readiness monitors and 1 incomplete. P0125 is the OBD-II generic code indicating the engine control module (ECM) has tested the O2 sensor heater circuit and has detected a problem with the bank 1 sensor 1 O2 sensor heater circuit. Once a monitor is set as “Ready” or “Complete”, it will remain in this state.   During oxygen sensor heater monitoring the PCM turns the heater strip circuit on and off for each sensor and looks for an expected change in current. Evap monitors are the most difficult to go "Ready". 5) Repeat steps 3 & 4 five (5) times. Probably Cause 1 oxygen sensor defective 2 Poor connection at oxygen sensor 3 Check circuit fuse Any words of advice on tackling. Some of these monitors may be absent if the vehicle is not equipped with certain systems. If you have performed the necessary driver cycles and have not lost battery voltage or reset the computer at any time then you either have a problem with the heater circuit of the sensor or the computer is failing. I usually test the heater circuit first as it will not set a code if it is working, but just not reaching the right temperature. Upstr Heated Oxygen Sensor Heater circuit fault - Bank No. The Catalytic Converter Monitor uses 02 Sensors to run its monitor so the 02 Sensor monitor must. But what if the basic drive cycle didn’t work? Continue reading and find out more about what you should do if the drive cycle won’t complete. Drive Cycle A: PROCEDURE It is necessary to perform the drive cycle listed below if DTC is not found in the Inspection Mode. I've never found a one stop shop for the different drive cycles, but there may be one out there somewhere. ⦆ Harness damage ⦆ Left bank heated oxygen sensor (rear) failed. It hasn't set any other codes but I replaced the upstream sensors just in case, but no luck. I'll try your unplug battery then drive around first. The drive cycle procedure can be found in the service manual or in separate publications like Alldata, Motor and Mitchell. Vehicle is new from the factory Battery or PCM had recently been disconnected An OBD II monitor failure had occurred before completion of an OBD II drive cycle PCM DTCs have recently been cleared with a scan tool PTO circuit is shorted to VPWR or B+ or PTO is on during testing The DTC does not need to be cleared from the PCM except to pass an. Do not leave the key on prior to the cold start or the heated oxygen sensor diagnostic may not run. P0031 - Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) have to do with the O2 sensor? the evap monitor test section of the drive cycle - so. system, oxygen sensor system, oxygen sensor heater system, secondary air injec-tion, air conditioning system and heated catalyst. • An HO2S heater circuit fault is determined by turning the heater on and off and looking for a corresponding change in the OSM and by. I need to get at least one more to set to pass CA smog. Motor vehicle manufacturers and engine manufacturers must also make available all existing monitor-specific OBD drive cycle information for all major OBD monitors as equipped including, but not limited to, catalyst, catalyst heater, oxygen sensor, oxygen sensor heater , evaporative system, exhaust gas…. 3 Drive Cycle Information 43 5. I rescaned all the monitors and the O2's still did not reset. During this period the ECU will be running the Oxygen Sensor Heater self-test, Air additional drive cycles still did not get the monitor to pass. a drive cycle is a weird serious of driving at diff speeds and rpms and temps. Stock other than suspension and brakes. You will clear out the remaining OBDII monitors which include the O2 sensor Heater Monitor (separate from the actual O2 Sensor monitor), the EGR system monitor, and Evaporative Emissions Monitor.