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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 G531320p29: PRIMARY PARKING BRAKE RELEASE SWITCH CIRCUIT FAULT >> G531320t134: CHECK THE PRIMARY RELEASE SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER

G531320t134: CHECK THE PRIMARY RELEASE SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER

  1. Key off.
    Fig 1: Identifying Electric Parking Brake Module Connector Pins 1 (CR50)
    G06387613Courtesy of JAGUAR CARS, INC.
  2. Electric parking brake module connector 1 (CR50) disconnected.
    Fig 2: Identifying Electric Parking Brake Module Connector Pins 2 (CR32)
    G06387620Courtesy of JAGUAR CARS, INC.
  3. Electric parking brake module connector 2 (CR32) disconnected.
  4. Key on, engine off.
  5. Measure the resistance between:
    CONNECTOR REFERENCE CHART

    CR50 connector, harness side Vehicle battery
    Primary release switch signal 1 - pin 11 Positive terminal
    • Is the resistance greater than 100 Kohms? 
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