LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> LX 470 >> Repair and Diagnosis >> Body & Frame >> Windows >> Body Electrical (Troubleshooting) >> Problem Symptoms Table >> Power Door Lock Control System:
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Door Lock Control System:

This system uses the body control system, so check diagnosis system of the body control system before you proceed with troubleshooting.

POWER DOOR LOCK CONTROL SYSTEM SPECIFICATION

Symptom Suspect Area Action
All the doors cannot be locked or unlocked. (Power Window Control System is normal.)
  1. DOOR Fuse
  2. Door Lock Control Switch
  3. Wire Harness
  4. Body ECU (Main)
  1. -
  2. INSPECTION
  3. -
  4. HOW TO PROCEED WITH TROUBLESHOOTING
Only one side door lock control does not operate.
  1. Door Lock Motor
  2. Wire Harness
  1. INSPECTION
  2. -
Door key related function does not operate.
  1. Door Key Lock and Unlock Switch
  2. Wire Harness
  3. Body ECU (Main)
  1. INSPECTION
  2. -
  3. HOW TO PROCEED WITH TROUBLESHOOTING
Key confinement prevention function does not operate.
  1. Key Unlock Warning Switch
  2. Door Courtesy Switch
  3. Wire Harness
  1. INSPECTION
  2. INSPECTION
  3. -
scientia non olet · About LEMON Manuals