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Key Unlock Warning Switch:

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.

KEY UNLOCK WARNING SWITCH TROUBLE SYMPTOMS REFERENCE

Symptom Suspect Area See Section
Key unlock warning system does not operate.
(The buzzer does not sound when the driver's door is opened with the ignition OFF and key inserted)
  1. Key Unlock Warning Switch
  2. Door Courtesy Switch
  3. Driver Door ECU
  4. Multiplex Communication Circuit
  5. Body ECU
  6. Wire Harness
  1. ADJUSTMENT
  2. INSPECTION
  3. FRONT DOOR
  4. TROUBLE SHOOTING
  5. HOW TO PROCEED WITH TROUBLESHOOTING
  6. -
Key unlock warning system does not operate.
(The buzzer sounds when the ignition key is ACC or ON)
  1. Ignition Switch
  2. RADIO No. 2 Fuse (Instrument Panel J/B)
  3. GAUGE Fuse (Instrument Panel J/B)
  4. Wire Harness
  1. ADJUSTMENT
  2. -
  3. -
  4. -
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