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Pinpoint Test AU: The Parking Brake Warning Chime Is Inoperative

  1. AU1 CHECK THE KEY-IN-IGNITION WARNING CHIME OPERATION 
    • Key in OFF position.
    • With the ignition switch in the OFF position and the key in the ignition lock cylinder, open the LH front door and observe the key-in-ignition warning chime operation.
    • Does the key-in-ignition warning chime operate correctly? 
    1. YES  : Go to  AU2.
    2. NO  : Go to Pinpoint Test AR .
  2. AU2 CHECK THE BRAKE WARNING INDICATOR FOR CORRECT OPERATION 
    • Key in ON position.
    • Apply and release the parking brake.
    • Does the brake warning indicator turn on when applied and turn off when released? 
    1. YES  : Go to  AU3.
    2. NO  : Go to Pinpoint Test N  (brake warning indicator never on) or Go to Pinpoint Test O  (brake warning indicator always on).
  3. AU3 CARRY OUT THE PARKING BRAKE WARNING CHIME ACTIVE COMMANDS USING THE SCAN TOOL 
    • Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster (IC) DataLogger
    • Select the instrument cluster (IC) parking brake warning chime (CHIME_P_BRK) active commands. Command the parking brake warning chime on.
    • Does the parking brake warning chime sound? 
    1. YES  : Go to  AU4.
    2. NO  : Go to  AU7.
  4. AU4 CHECK THE SPEEDOMETER FOR CORRECT OPERATION 
    • Drive the vehicle and verify that the speedometer is operating correctly.
    • Does the speedometer operate correctly? 
    1. YES  : Go to  AU5.
    2. NO  : Go to Pinpoint Test F .
  5. AU5 RETRIEVE THE RECORDED DTCs FROM BOTH THE CONTINUOUS AND ON-DEMAND SJB SELF-TESTS 
    • Check for recorded SJB DTCs from the continuous and on-demand self-tests.
    • Are any DTCs recorded? 
    1. YES  : REFER to MULTIFUNCTION ELECTRONIC MODULES article.
    2. NO  : Go to  AU6.
  6. AU6 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all the SJB connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect all the SJB connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES article. TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
  7. AU7 CHECK FOR CORRECT INSTRUMENT CLUSTER (IC) OPERATION 
    • Disconnect the instrument cluster (IC) connector.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect the instrument cluster (IC) connector and make sure it seats correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new instrument cluster (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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