FixVault

Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

  1. HEADLAMP AND TAIL LAMP 
    PROBLEM SYMPTOMS TABLE - HEAD LAMP AND TAIL LAMP

    Symptom Suspected Area
    Low beam does not come on (One side).
    1. Bulb
    2. HEAD RH LWR fuse or HEAD LH LWR fuse
    3. Wire harness
    Low beam does not come on (All).
    1. HEAD Relay
    2. Headlamp dimmer switch assy
    3. Daytime running light relay
    4. Wire harness
    High beam does not come on (One side).
    1. Bulb
    2. HEAD RH UPR fuse or HEAD LH UPR fuse
    3. Wire harness
    High beam does not come on (All).
    1. DIMMER relay
    2. Headlamp dimmer switch assy
    3. Daytime running light relay
    4. Wire harness
    "Flash" does not operate (All).
    1. Headlamp dimmer switch assy
    2. Daytime running light relay
    3. Wire harness
    Headlamp is dark.
    1. Bulb
    2. Wire harness
    Only one tail lamp comes on.
    1. Bulb
    2. Wire harness
    Both tail lamps do not come on (Headlamps are normal).
    1. TAIL fuse
    2. TAIL relay (USA only)
    3. Headlamp dimmer switch assy
    4. Daytime running light relay (USA only)
    5. Wire harness
    Both tail lamps do not come on (Headlamps do not come on).
    1. Headlight dimmer switch assy
    2. Wire harness
    Headlamp does not come on with engine running, parking brake released, and light control switch off.
    1. HEAD relay
    2. Generator
    3. Parking brake switch
    4. Daytime running light relay
    5. Wire harness
  2. FRONT FOG LAMP SYSTEM 
    PROBLEM SYMPTOMS TABLE - FOG LAMP SYSTEM

    Symptom Suspected Area
    Front fog lamps do not come on with light control switch in the HEAD position (Headlamps are normal).
    1. FOG fuse
    2. FOG relay
    3. Headlight dimmer switch assy
    4. Wire harness
    Only one front fog lamp does not come on.
    1. Bulb
    2. Wire harness
  3. TURN SIGNAL AND HAZARD WARNING SYSTEM 
    PROBLEM SYMPTOMS TABLE - TURN SIGNAL AND HAZARD WARNING SYSTEM

    Symptom Suspected Area
    "Hazard" and "Turn" do not come on.
    1. HAZARD fuse
    2. Turn signal flasher relay
    3. Wire harness
    Hazard warning lamp does not come on. (Turn is normal)
    1. Hazard warning signal switch assy
    2. Wire harness
    Turn signal does not come on. (Hazard is normal)
    1. Headlamp dimmer switch assy
    2. Wire harness
    Turn signal does not come on in one direction.
    1. Headlamp dimmer switch assy
    2. Wire harness
    Only one bulb does not come on.
    1. Bulb
    2. Wire harness
  4. STOP LAMP SYSTEM 
    PROBLEM SYMPTOMS TABLE - STOP LAMP SYSTEM

    Symptom Suspected Area
    Both stop lamps do not come on.
    1. STOP fuse
    2. Stop lamp switch assy
    3. Wire harness
    Stop lamp always remains ON.
    1. Stop lamp switch assy
    2. Wire harness
    Stop lamp does not come on (One side).
    1. Bulb
    2. Wire harness
  5. BACK UP LAMP SYSTEM 
    PROBLEM SYMPTOMS TABLE - BACK UP LAMP SYSTEM

    Symptom Suspected Area
    Both back up lamps do not come on.
    1. GAUGE fuse
    2. Back up lamp switch (M/T)
    3. Park/Neutral Position switch (A/T)
    4. Wire harness
    Both back up lamps always remain ON.
    1. Back up lamp switch (M/T)
    2. Park/Neutral Position switch (A/T)
    3. Wire harness
    Back up lamp does not come on (One side).
    1. Bulb
    2. Wire harness
  6. INTERIOR LAMP SYSTEM 
    PROBLEM SYMPTOMS TABLE - INTERIOR LAMP SYSTEM

    Symptom Suspected Area
    Room lamp assy No. 1 and No. 2 do not come on.
    1. Bulb
    2. Wire harness
    3. Integration relay
  7. LIGHT CONTROL RHEOSTAT SYSTEM 
    PROBLEM SYMPTOMS TABLE - LIGHT CONTROL RHEOSTAT SYSTEM

    Symptom Suspected Area
    Light control rheostat system does not operate.
    1. Light control rheostat
    2. Wire harness