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Home >> Jaguar >> 2008 >> XJ8 Base >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Parking Brake And Actuation (2003.5-09) >> Diagnosis and Testing >> Parking Brake - VIN Range: G45171->G99999 >> Pinpoint Tests >> PINPOINT TEST G531320p22: BRAKE SWITCH INPUT STATUS PLAUSIBILITY FAILURE >> G531320t99: CHECK THE BRAKE SWITCH CIRCUIT FOR SHORT CIRCUIT TO POWER IN THE HARNESS

G531320t99: CHECK THE BRAKE SWITCH CIRCUIT FOR SHORT CIRCUIT TO POWER IN THE HARNESS

  1. Brake pressure sensor (BPS) connector disconnected.
    Fig 1: Identifying Brake Pressure Sensor (BPS) Connector Pins
    G06387670Courtesy of JAGUAR CARS, INC.
  2. Measure the resistance between:
    CONNECTOR REFERENCE CHART

    CR32 connector, harness side Vehicle battery
    Brake switch - signal - Pin 07 Positive terminal
    • Is the resistance greater than 100 Kohms? 
    • Yes:  INSTALL a new BPS.
    • No:  REPAIR the short circuit. For additional information, refer to the wiring diagrams.
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