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Home › Lexus › 1999 › GS 400 › Repair and Diagnosis › Body & Frame › Body, Cab Control Systems › Body Control Systems › Component Tests › Door Unlock Detection Switch › Rear Doors

Rear Doors

  1. Remove door trim panel and service hole cover. Disconnect 4-pin electrical connector from door lock motor. Connect ohmmeter between the following door lock motor connector (component side) terminals. See WIRING DIAGRAMS .
    • Left rear door motor; terminals No. 3 (Green wire) and No. 4 (Brown/Black wire).
    • Right rear door motor; terminals No. 1 (Brown/Black wire) and No. 2 (Green wire).
  2. When door is locked, continuity should not exist. When door is unlocked, continuity should exist. If continuity is not as specified, replace door unlock detection switch and retest system operation.
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