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Test No. 29: Passenger's Door Unlock Detection Switch Circuit

NOTE: If LEXUS scan tool is available, start test from step  1. If this scan tool is not available, start test from step  2.
  1. Using scan tool, check passenger's door unlock detection switch using DATA LIST. If door unlock detection switch is faulty, go to next step. If door unlock detection switch is okay, go to step  3.
  2. Check passenger's 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.
  3. Check circuits for faults between passenger's door unlock detection switch and passenger's door ECU. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, perform TEST NO. 32: RIGHT REAR DOOR COURTESY LIGHT & COURTESY SWITCH CIRCUIT .
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