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Power Door Lock Control System

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

POWER DOOR LOCK CONTROL SYSTEM TROUBLE SYMPTOMS REFERENCE

Symptom Suspect Area See Section
All the doors cannot be locked or unlocked.
  1. Door Lock Control Switch
  2. Driver Door ECU
  3. Front Passenger Door ECU
  4. Multiplex Communication Circuit
  5. Body ECU
  6. Wire Harness
  1. TROUBLE SHOOTING
  2. FRONT DOOR
  3. TROUBLE SHOOTING
  4. TROUBLE SHOOTING
  5. HOW TO PROCEED WITH TROUBLESHOOTING
  6. -
Only driver's side door lock control does not operate.
  1. Driver Door ECU
  2. Driver's Door Lock Motor
  3. Wire Harness
  1. FRONT DOOR
  2. TROUBLE SHOOTING
  3. -
Other doors than the driver's side door do not operate.
  1. Driver Door ECU
  2. Multiplex Communication Circuit
  3. Body ECU
  4. Wire Harness
  5. Door Lock Motor
  1. FRONT DOOR
  2. TROUBLE SHOOTING
  3. HOW TO PROCEED WITH TROUBLESHOOTING
  4. -
  5. TROUBLE SHOOTING
Door key related function does not operate.
  1. Door Key Lock and Unlock Switch
  2. Wire Harness
  1. TROUBLE SHOOTING
  2. -
Key confinement prevention function does not operate.
  1. Key Unlock Warning Switch
  2. Wire Harness
  3. Body ECU
  1. ADJUSTMENT
  2. -
  3. HOW TO PROCEED WITH TROUBLESHOOTING
Luggage compartment door opener function does not operate.
  1. Luggage Compartment Door Opener Switch
  2. Luggage Compartment Door Key Lock and Unlock Switch
  3. Luggage Compartment Door Opener Motor
  4. Wire Harness
  5. Body ECU
  1. TROUBLE SHOOTING
  2. TROUBLE SHOOTING
  3. TROUBLE SHOOTING
  4. -
  5. HOW TO PROCEED WITH TROUBLESHOOTING