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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 844 (COMBINATION SWITCH CONTROL SYSTEM - DIAGNOSIS)CIRCUIT INSPECTIONLIGHT CONTROL SWITCH CIRCUITINSPECTION PROCEDURE
2004 Toyota Matrix XR, FWD, Standard

Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check light control switch using LEXUS hand-held tester. 

    PREPARATION: 

    Connect the LEXUS hand-held tester to the DLC3.

    CHECK: 

    Check the light control switch using DATA LIST.

    OK: 

    Light control switch: 

    LIGHT CONTROL SWITCH SPECIFICATION

    Switch name (Tester display) No pressing Pressing
    Light control switch TAIL (TAIL LIGHT SW) OFF ON
    Light control switch HEAD (HEAD LIGHT SW) OFF ON
    Light control switch AUTO (LIGHT AUTO SW) OFF ON

    Fog light switch: 

    FOG LIGHT SWITCH

    Switch name (Tester display) No pressing Pressing
    Front fog light switch (F FOG LIGHT SW) OFF ON
    Rear fog light switch (R FOG LIGHT SW) OFF ON

    Headlight dimmer switch: 

    HEADLIGHT DIMMER SWITCH

    Switch name (Tester display) No pressing Pressing
    Light control switch Flash (PASSING SW) OFF ON
    Light control switch HI (DIMMER HI SW) OFF ON

    Turn signal and hazard warning switch: 

    TURN SIGNAL AND HAZARD WARNING SWITCH SPECIFICATION

    Switch name (Tester display) No pressing Pressing
    Turn signal switch Left (TURN LEFT SW) OFF ON
    Turn signal switch Right (TURN RIGHT SW) OFF ON
    1. OK : Proceed to next circuit inspection shown on problem symptom table (See  PROBLEM SYMPTOMS TABLE  ). 
    2. NG : Replace combination switch (See  REMOVAL  ). 
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.