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Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Electrical (Troubleshooting) >> Problem Symptoms Table >> Interior Light System

Interior Light 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 lights do not come ON.
  1. DOME Fuse
  2. Body ECU NO. 2
INSPECTION
-
The light does not come ON when the driver's door is opened.
  1. Driver's Door Courtesy Switch
  2. Wire Harness
INSPECTION
-
The light does not come ON when the passenger's door is opened.
  1. Passenger's Door Courtesy Switch
  2. Wire Harness
INSPECTION
-
The light does not come on when the rear-right door is opened.
  1. Rear-Right Door Courtesy Switch
  2. Wire Harness
INSPECTION
-
The light does not come on when the rear-left door is opened.
  1. Rear-Left Door Courtesy Switch
  2. Wire Harness
INSPECTION
-
Only one of the bulbs comes ON.
  1. Bulb
-
The illumination does not fade out when all the doors are closed.
  1. Courtesy Switch
  2. Wire Harness
INSPECTION
-
The illumination does not fade out immediately when the ignition switch is turned to ACC or ON within 15 seconds after all the doors are closed.
  1. Ignition Switch
  2. RADIO NO. 2 Fuse
  3. GAUGE Fuse
  4. Wire Harness
INSPECTION
INSPECTION
INSPECTION
-
The illumination does not fade out immediately when all the doors are locked within 15 seconds after they are closed.
  1. Door Unlock Detection Switch
  2. Wire Harness
INSPECTION
-
Interior light does not light up.
(in front personal light)
  1. Bulb
  2. Front Personal Light
  3. Wire Harness
-
INSPECTION
-
Front personal light does not light up.
  1. Bulb
  2. Front Personal Light
  3. Wire Harness
-
INSPECTION
-
Rear personal light does not light up.
  1. Bulb
  2. Rear Personal Light
  3. Wire Harness
-
INSPECTION
-
Vanity light does not light up.
  1. Bulb
  2. Vanity Light
  3. Wire Harness
-
INSPECTION
-
Luggage compartment light does not light up.
  1. Bulb
  2. Luggage Compartment Door Courtesy Switch
  3. Wire Harness
-
INSPECTION
-
Courtesy light does not light up.
  1. Bulb
  2. Door Courtesy Switch
  3. Wire Harness
-
INSPECTION
-