FixVault

Fog Light System

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

FOG LIGHT SYSTEM PROBLEM SYMPTOMS

Symptom Suspect Area Action
Front fog light does not light up with light control SW TAIL or HEAD (LO-beam only). (Headlight is normal.)
  1. Bulbs
  2. FR FOG Fuse
  3. Front Fog Light Relay
  4. Front Fog Light Switch
  5. Wire Harness
  1. -
  2. LOCATION
  3. INSPECTION
  4. INSPECTION
  5. -
Only one light does not light.
  1. Bulbs
  2. Wire Harness
  1. -
  2. -
Rear fog light does not light with light control SW HEAD. (Headlight is normal.)
  1. Bulbs
  2. ECU-B2 Fuse
  3. Rear Fog Light Switch
  4. Wire Harness
  1. -
  2. LOCATION
  3. INSPECTION
  4. -
Rear fog light does not light with light control SW HEAD. (Headlight does not light.)
  1. Inspect Headlight and Taillight System
  2. Wire Harness
  1. W/O Daytime running light system: HEADLIGHT AND TAILLIGHT SYSTEM 
  2. -
Only one light does not light.
  1. Bulbs
  2. Wire Harness
  1. -
  2. -