Press and release the test button on the TPMS tool. It may take up to six seconds to activate a tire pressure sensor.If equipped, the message center will display “TRAIN LF TIRE.” The horn will sound once and the indicator will flash if the training mode has been entered successfully. Turn the ignition switch from the OFF position to the RUN position three times, ending in the RUN position.Cycle the ignition switch from the OFF position to the RUN position three times, ending in the RUN position.Turn the ignition switch to the OFF position.Repeat Steps 2 and 3 for the remaining tires.Press the test button on the TPMS tool to activate the sensor. Note: The TPMS tool will provide feedback in the form of a flashing green light and a beep sound for each successful response from a tire pressure sensor.The TPMS tool must remain in place 180 degrees from the valve stem for 2007-’09 models with banded sensors, and directly below the valve stem on the sidewall for 2010-’11 models with the valve stem- mounted TPMS sensors. Position the TPMS tool against the LF tire sidewall, 180 degrees from the tire valve stem.Turn the ignition switch to the ON position.It will be necessary to wake them up so they will transmit the latest tire pressure information to the Smart Junction Box (SJB).
If the vehicle has been stationary for more than 30 minutes, the sensors will go into a “sleep mode” to conserve battery power. 2007-’09 models have banded sensors, while most 2010-’11 models have sensors mounted behind the valve stem. TPMS was standard for the 2007 model year. When the tire training procedure is complete, the horn will sound twice and the message center will display “TIRE TRAINING MODE COMPLETE.” Repeat Step 7 for the RR, LR and spare tire.Note: If the TPMS module does not recognize any one of the five tire pressure sensors during the tire training procedure, the horn will sound twice and the message center will display “TIRE TRAINING MODE INCOMPLETE” and the procedure must be repeated. Within two minutes after the horn sounds, place the magnet on the valve stem of the RF tire pressure sensor.The horn will sound briefly to indicate that the tire pressure sensor has been recognized by the TPMS module. When the message center displays “TRAIN LEFT FRONT TIRE,” place the magnet on the valve stem of the LF tire pressure sensor.Do not wait more than two minutes between each key cycle. Turn the ignition switch to the RUN position three times, ending in the RUN position.Turn the ignition to the RUN position three times, ending in the RUN position.RF noise is generated by electrical motor and appliance operation, cellular telephones and remote transmitters. Note: The tire pressure sensor training procedure must be done in an area without radio frequency (RF) noise. If a TPMS sensor or its position on the car is changed without re-registering the IDs, the TPMS warning light will turn on and stay on until the IDs are re-registered. The transmitted data includes the TPMS ID, pressure and temperature.
The freeze frame may show what sensor reading was out of specs.This process requires the activation of the TPMS sensor using a low-frequency radio signal tool or magnet to excite the sensor so UHF data is transmitted. Sometimes an intermittent problem can trigger the Check Engine light, but when a mechanic checks the car with a scan tool, everything works OK. The freeze frame can also greatly help when diagnosing intermittent problems. Could that be why the Check Engine light came on?
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What if you have a trouble code that says the engine runs lean, meaning the air-fuel mixture supplied into the engine has too much air and too little fuel? The freeze frame shows the fuel level was at 3.5 percent (the tank was almost empty) when the code was set. In many cases, knowing this information can point your diagnostic efforts in the right direction. The freeze frame can also show what was the fuel level in the tank and the battery voltage. It can tell at what rpms the fault happened, at what speed and how much time passed since the engine was started. This freeze frame shows the fuel level is only at 3.5 percent (almost empty), when the PCM detected the faultĭepending on the data available, a freeze frame can tell you whether the engine was cold or warmed up or what was the temperature outside (Intake Air Temperature IAT).
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