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Left Rear Door Courtesy Light & Courtesy Switch Circuit

  1. Check Left Rear Door Courtesy Light Operation

    Open and close left rear door while observing left rear door courtesy light operation. If left rear door courtesy light does not illuminate when door is opened and go out when door is closed, go to next step. If left rear door courtesy light operates as specified, go to next test listed in appropriate TROUBLE SHOOTING SYMPTOMS table.
  2. Check Left Rear Door Courtesy Light

    Check left rear door courtesy light. See DOOR COURTESY LIGHT under COMPONENT TESTS. If left rear door courtesy light is okay, go to next step. Replace left rear door courtesy light as necessary. Retest system operation.
  3. Check Left Rear Door Courtesy Switch

    Check left rear door courtesy switch. See DOOR COURTESY SWITCH under COMPONENT TESTS. If left rear door courtesy switch is okay, go to next step. Replace left rear door courtesy switch as necessary. Retest system operation.
  4. Check Circuits

    Check circuits for faults between left rear door courtesy light, left rear door courtesy switch and left rear door ECU. See WIRING DIAGRAMS. Repair or replace as necessary. If circuits are okay, go to next test listed in appropriate TROUBLE SHOOTING SYMPTOMS table.