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Test No. 19: Left Rear Door Unlock Detection Switch Circuit

  1. Check left rear door unlock detection switch. See DOOR UNLOCK DETECTION SWITCH  under COMPONENT TESTS. Replace door unlock detection switch (motor assembly) as necessary. Retest system operation. If switch is okay, go to next step.
  2. Check circuits for faults between left rear door unlock detection switch and left rear door ECU. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, perform TEST NO. 21: LUGGAGE COMPARTMENT DOOR COURTESY SWITCH CIRCUIT .