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Pinpoint Test

  1. CHECK FOR SPARE TIRE IN USE
    1. NOTE: The spare tire is not programmable even if it is equipped with a Tire Pressure Monitoring System (TPMS) sensor. If a damaged road wheel is located in the trunk, the sensor may still be recognized by the Tire Pressure Monitoring System (TPMS) as low. Make sure the spare tire is not currently in use.
    2. Check spare tire location.
    • Is the spare tire in use? 
    • Yes:  REPAIR and REMOUNT the wheel to the vehicle. REFER to WHEEL AND TIRE under DISASSEMBLY AND ASSEMBLY. ADJUST tire pressures to the required pressure as defined on the Vehicle Certification (VC) label located in the driver door jam.
    • No:  GO to step 2 .
  2. CHECK FOR LOW TIRE PRESSURE
    1. Using the 204-354, measure and record the tire pressure in all 4 tires.
    2. Adjust the pressure for those found to be below the specification listed on the Vehicle Certification (VC) label.
    3. Activate each sensor at least twice with the training tool or customer activation tool to make sure the module gets the latest tire pressure data. REFER to Tire Pressure Monitoring System (TPMS) Sensor Activation , or drive the vehicle for at least 2 minutes above 32.2 kmh (20 mph) to clear the low pressure warning. Do not train the sensors at this time.
    • Has the Tire Pressure Monitoring System (TPMS) warning indicator gone out? 
    • Yes:  The system is operating correctly at this time. The cause was low tire pressure.
    • No:  GO to step 3 .
  3. TRAIN ALL 4 Tire Pressure Monitoring System (TPMS) SENSORS
    1. Train all 4 Tire Pressure Monitoring System (TPMS) sensors. REFER to Tire Pressure Monitoring System (TPMS) Sensor Training - Intelligent Access (IA)  or REFER to Tire Pressure Monitoring System (TPMS) Sensor Training - Integrated Keyhead Transmitter (IKT) .
    • Do all of the Tire Pressure Monitoring System (TPMS) sensors train? 
  4. CHECK THE TIRE PRESSURES USING THE Tire Pressure Monitoring System (TPMS) SENSOR Parameter Identifications (PIDs)
    1. Using a scan tool, view Body Control Module (BCM) Parameter Identifications (PIDs):
    • Left Front Tire Pressure (TPM_PRES_LF)
    • Right Front Tire Pressure (TPM_PRES_RF)
    • Left Rear Tire Pressure (TPM_PRES_LRO)
    • Right Rear Tire Pressure (TPM_PRES_RRO)
    • Do the LF, RF and LR tire pressures indicated by the Parameter Identifications (PIDs) match within +/- 20.7 kPa (3 psi) the tire pressures shown by the 204-354? 
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