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Home >> Jaguar >> 2009 >> XJR >> 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 G531320p1: PRIMARY PARKING BRAKE APPLY SWITCH CIRCUIT FAILURE >> G531320t5: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR OPEN CIRCUIT

G531320t5: CHECK THE PRIMARY APPLY SIGNAL CIRCUIT FOR OPEN CIRCUIT

  1. Electric parking brake switch (TL82) connector disconnected.
    Fig 1: Identifying Electric Parking Brake Switch (TL82) Connector Pins
    G06387615Courtesy of JAGUAR CARS, INC.
  2. Measure the resistance between:
    CONNECTOR REFERENCE CHART

    CR50 connector, harness side TL82 connector, harness side
    Electric parking brake switch apply 1 - signal - Pin 10 Electric parking brake switch apply 1 - signal - Pin 08
    • Is the resistance less than 10 ohms? 
    • Yes:  GO to Pinpoint Test G531320T6 .
    • No:  REPAIR the open circuit. For additional information, refer to the wiring diagrams.
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