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Home >> Jaguar >> 2003 >> 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 G531320p21: APPLY AND RELEASE SWITCH CONTACTS ENERGIZED SIMULTANEOUSLY >> G531320t94: CHECK THE SECONDARY EPB APPLY AND RELEASE CIRCUIT FOR SHORT CIRCUIT FAULTS

G531320t94: CHECK THE SECONDARY EPB APPLY AND RELEASE CIRCUIT FOR SHORT CIRCUIT FAULTS

  1. Make sure the parking brake switch is not in the apply or release position.
  2. Measure the resistance between:
    CONNECTOR REFERENCE CHART

    CR32 connector, harness side CR32 connector, harness side
    Electric parking brake switch apply 2 - signal - Pin 02 Electric parking brake switch release 2 - signal - Pin 14
    • Is the resistance between 1.19 Kohms - 1.222 Kohms? 
    • Yes:  An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other physical damage to the harness. If no fault is found in the circuit, suspect the following component(s): - EPB module - EPB module connector, CR50 - EPB module connector, CR32
    • No:  GO to Pinpoint Test G531320T96 .