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Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Electrical (Troubleshooting) >> Problem Symptoms Table >> Power Door Lock Control System

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.

SYMPTOM

Symptom Suspect Area See
All the doors cannot be locked or unlocked.
(Power Window Control System is normal.)
  1. Door Lock Control Switch
  2. Wire Harness
  3. Body No. 1 ECU
INSPECTION
-
HOW TO PROCEED WITH TROUBLESHOOTING
Only one side door lock control does not operate.
  1. Door Lock Motor
  2. Wire Harness
  3. Each Door ECU
INSPECTION
-
-
Door key related function does not operate.
  1. Door Key Lock and Unlock Switch
  2. Wire Harness
  3. Each Door ECU
  4. Body No. 1 ECU
INSPECTION
-
-
HOW TO PROCEED WITH TROUBLESHOOTING
Key confinement prevention function does not operate.
  1. Key Unlock Warning Switch
  2. Door Courtesy Switch
  3. Wire Harness
  4. Each Door ECU
INSPECTION
INSPECTION
-
-
Luggage compartment door opener function does not operate.
  1. Luggage Compartment Door Opener Switch
  2. Luggage Compartment Door Opener Motor
  3. Wire Harness
  4. Body No. 1 ECU
INSPECTION
INSPECTION
-
HOW TO PROCEED WITH TROUBLESHOOTING