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Home >> Scion >> 2004 >> xA Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System >> Problem Symptoms Table

Problem Symptoms Table

NOTE: Use the table below, with suspected areas listed in numerical order, to determine the cause of the problem.

Inspect and repair or replace parts as necessary according to the steps on the following pages.

  1. HEADLAMP AND TAIL LAMP 
    PROBLEM SYMPTOMS

    Symptom/Suspected Area See
    "LO-Beam" Does Not Come On (One Side).
    1. Bulb .....
    2. H-LP LH/H-LP LO RH Fuse .....
    3. Wire Harness .....
    "LO-Beam" Does Not Come On (All).
    1. Headlamp Dimmer Switch Assy INSPECTION 
    2. Wire Harness .....
    "Hl-Beam" Does Not Come On (One Side).
    1. Bulb .....
    2. H-LP LH/H-LP LO RH Fuse .....
    3. Wire Harness .....
    "Hl-Beam" Does Not Come On (All).
    1. Headlamp Dimmer Switch Assy INSPECTION 
    2. Wire Harness .....
    "Flash" Does Not Operate (All).
    1. Headlamp Dimmer Switch Assy INSPECTION 
    2. 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. Headlamp Dimmer Switch Assy .....
    2. Headlamp Dimmer Switch Assy INSPECTION 
    3. Wire Harness .....
    Both Tail Lamps Do Not Come On (Headlamps Do Not Come On).
    1. Headlamp Dimmer Switch Assy INSPECTION 
    2. Wire Harness .....
  2. FRONT FOG LAMP SYSTEM 
    PROBLEM SYMPTOMS

    Symptom/Suspected Area See
    Front Fog Lamps Do Not Come On With Light Control Switch In The HEAD Position (Headlamps Are Normal).
    1. Fog Fuse .....
    2. Headlamp Dimmer Switch Assy INSPECTION 
    3. Wire Harness .....
    Only One Front Fog Lamp Comes On.
    1. Bulb .....
    2. Wire Harness .....
  3. TURN SIGNAL AND HAZARD WARNING SYSTEM 
    PROBLEM SYMPTOMS

    Symptom/Suspected Area See
    "Hazard" And "Turn" Do Not Come On.
    1. HAZ Fuse .....
    2. Turn Signal Flasher Relay ON-VEHICLE INSPECTION 
    3. Wire Harness .....
    Hazard Warning Lamp Does Not Come On (Turn Is Normal).
    1. Hazard Warning Signal Switch Assy INSPECTION 
    2. Turn Signal Flasher Relay ON-VEHICLE INSPECTION 
    3. Wire Harness .....
    Turn Signal Does Not Come On (Hazard Is Normal).
    1. Turn Signal Switch INSPECTION 
    2. Turn Signal Flasher Relay ON-VEHICLE INSPECTION 
    3. Wire Harness .....
    Turn Signal Does Not Come On In One Direction.
    1. Turn Signal Switch INSPECTION 
    2. Turn Signal Flasher Relay ON-VEHICLE INSPECTION 
    3. Wire Harness .....
    Only One Bulb Comes On.
    1. Bulb .....
    2. Wire Harness .....
  4. STOP LAMP SYSTEM 
    PROBLEM SYMPTOMS

    Symptom/Suspected Area See
    Both Stop Lamps Do Not Come On.
    1. STOP Fuse .....
    2. Stop Lamp Switch Assy INSPECTION 
    3. Wire Harness .....
    Stop Lamp Always Remains On.
    1. Stop Lamp Switch Assy INSPECTION 
    2. Wire Harness .....
    Stop Lamp Does Not Come On (One Side).
    1. Bulb .....
    2. Wire Harness .....
  5. BACK UP LAMP SYSTEM 
    PROBLEM SYMPTOMS

    Symptom/Suspected Area See
    Both Back Up Lamps Do Not Come On.
    1. GAUGE Fuse .....
    2. Back Up Lamp Switch Assy (M/T) INSPECTION 
    3. Park/Neutral Position Switch Assy (A/T) INSPECTION 
    4. Wire Harness .....
    Both Back Up Lamps Remain Always ON.
    1. Back Up Lamp Switch Assy (M/T) INSPECTION 
    2. Park/Neutral Position Switch Assy (A/T) INSPECTION 
    3. Wire Harness .....
    Back Up Lamp Does Not Come On (One Side).
    1. Bulb .....
    2. Wire Harness .....
  6. INTERIOR LAMP SYSTEM 
    PROBLEM SYMPTOMS

    Symptom/Suspected Area See
    Interior Lamp Does Not Come On (All).
    1. DOME Fuse .....
    2. Wire Harness .....
    Map Lamp Assy Does Not Come On. (Room Lamp Assy No. 1 Is Normal).
    1. Bulb .....
    2. Map Lamp Assy INSPECTION 
    3. Wire Harness .....
    Room Lamp Assy No. 1 Does Not Come On (Map Lamp Assy Is Normal).
    1. Bulb .....
    2. Room Lamp Assy No. 1 INSPECTION 
    3. Wire Harness .....
    Center Cluster Box Illumination Lamp Does Not Come On.
    1. Bulb .....
    2. Instrument Cluster Finish Panel Assy Center INSPECTION 
    3. Wire Harness .....