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Power Windows: Diagnosis Lexus RX I

TROUBLE SHOOTING

Perform a visual inspection, checking for open fuses, disconnected or damaged wire harnesses and components. Repair or replace items as necessary and recheck operation. If no problems are found, diagnose by symptom. See SYMPTOM TESTS .

SYMPTOM TESTS

Note. To diagnose symptoms not listed, check system circuits and components which may be related to symptom. See CIRCUIT TESTS and COMPONENT TESTS .

The following items are available for symptom testing

  1. Power window moves down during up operation.
  2. Down operation (jam function) inoperative when foreign object restricts window travel.