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Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Parking Brake Switch Signal Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK COMBINATION METER INPUT SIGNAL

    1. Turn Ignition Switch ON.
    2. Check the Voltage And Waveform between Combination Meter Harness Connector and ground.
      Terminals Condition Voltage And Waveform
      (+) (-)
      Combination Meter Ground
      Connector Terminal
      M53 27 Parking brake applied Approx. 0 V
      Parking brake released
      G05223673Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 2. 

  2. CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

    1. Turn Ignition Switch OFF.
    2. Disconnect Combination Meter connector and Parking Brake Switch connector.
    3. Check continuity between Combination Meter Harness Connector and Parking Brake Switch Harness Connector.
      Combination Meter Parking Brake Switch Continuity
      Connector Terminal Connector Terminal
      M53 27 E107 1 Existed
    4. Check continuity between Combination Meter Harness Connector and ground.
      Combination Meter Ground Continuity
      Connector Terminal
      M53 27 Not existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair harness or connector.