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Power Mirror 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 power mirror switch using DATA LIST. If power mirror switch is faulty, go to next step. If power mirror switch is okay, go to next test listed in appropriate SYMPTOM DIAGNOSIS table under TROUBLE SHOOTING .
  2. Check power mirror switch. See POWER MIRROR article. Replace power mirror switch as necessary. Retest system operation. If power mirror switch is okay, go to next step.
  3. Check circuits for faults between power mirror switch and body control ECU No. 2. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, go to next test listed in appropriate SYMPTOM DIAGNOSIS table under TROUBLE SHOOTING .
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