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Driver Door Lock Motor 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. Check Door Lock Motor Using Scan Tool

    Using scan tool, attempt to operate driver door lock motor in ACTIVE TEST. If door lock motor does not operate in ACTIVE TEST, go to next step. If door lock motor operates properly in ACTIVE TEST, go to next test listed in appropriate TROUBLE SHOOTING SYMPTOMS table.

  2. Check Door Lock Motor

    Check driver door lock motor. See POWER DOOR LOCKS, TRUNK LID & FUEL DOOR article. If door lock motor is okay, go to next step. Replace door lock motor as necessary. Retest system operation.

  3. Check Circuits

    Check circuits for faults between driver door lock motor and driver 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.
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