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Home >> Jaguar >> 2004 >> 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 G531320p18: SECONDARY RELEASE HARNESS SHORT CIRCUIT TO BATTERY OR OPEN CIRCUIT >> G531320t85: CHECK THE ELECTRIC PARKING BRAKE SWITCH

G531320t85: CHECK THE ELECTRIC PARKING BRAKE SWITCH

  1. Measure the resistance between:
    CONNECTOR REFERENCE CHART

    TL82 connector, component side TL82 connector, component side
    Electric parking brake switch release 2 - signal - Pin 05 Electric parking brake switch - switch return - Pin 06
    • Is the resistance between 595 ohms - 611 ohms? 
    • 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:  INSTALL a new EPB switch.

      PARKING BRAKE SWITCH (70.35.46) 

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