FixVault

Interior Light System:

This system uses the body control system, so check the body control system before you proceed with troubleshooting (See HOW TO PROCEED WITH TROUBLESHOOTING ).

PROBLEM SYMPTOMS TABLE - INTERIOR LIGHT SYSTEM

Symptom Suspect Area
All the lights do not come ON.
  1. DOME Fuse
  2. Body ECU
  3. DOME Relay(Cowl Side J/B LH)
The light does not come ON when the driver's door is opened.
  1. Driver's Door Courtesy Switch
  2. Wire Harness
The light does not come ON when the passenger's door is opened.
  1. Passenger's Door Courtesy Switch
  2. Wire Harness
The light does not come on when the rear-right door is opened.
  1. Rear-Right Door Courtesy Switch
  2. Wire Harness
The light does not come on when the rear-left door is opened.
  1. Rear-Left Door Courtesy Switch
  2. Wire Harness
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
  3. Boby ECU
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. ACC Fuse
  3. ECU-IG1 Fuse
  4. Body ECU
  5. Wire Harness
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
Room light does not light up.
  1. Bulb
  2. Room Light
  3. Rear Personal Light
  4. Wire Harness
Front personal light does not light up.
  1. Bulb
  2. Front Personal Light
  3. Room Light
  4. Wire Harness
Rear Room light does not light up.
  1. Bulb
  2. Rear Room Light
  3. Wire Harness
Vanity light does not light up.
  1. Bulb
  2. Vanity Light
  3. Wire Harness
Glove compartment light does not light up.
  1. Bulb
  2. Glove Compartment Courtesy Switch
  3. Wire Harness
Courtesy light does not light up.
  1. Bulb
  2. Door Courtesy Switch
  3. Wire Harness