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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: G00442->G45170 >> Pinpoint Tests >> PINPOINT TEST G295394p4: DTC C1784, C1785, C1786; EPB MOTOR OUTPUT OPEN/SHORT CIRCUIT >> G295394t11: CHECK THE EPB MOTOR + CIRCUIT FOR OPEN CIRCUIT

G295394t11: CHECK THE EPB MOTOR + CIRCUIT FOR OPEN CIRCUIT

  1. Disconnect the battery negative terminal.
  2. Disconnect the EPB motor electrical connector, CV07.
  3. Disconnect the EPB control module electrical connector, CR50.
  4. Measure the resistance between CV07, pin 01 (RW) and CR50, pin 03 (RW).
    • Is the resistance greater than 5 ohms? 
    • Yes:  REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
    • No:  GO to Pinpoint Test G295394T12 .
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