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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 599 (LIGHTING SYSTEM - DIAGNOSIS)ILLUMINATION 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 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. DO ACTIVE TEST OF OBD II SCAN TOOL OR LEXUS HAND-HELD TESTER 
    1. Connect the LEXUS hand-held tester to the DLC3.
    2. Check that the illumination can light in an ACTIVE TEST.

    Driver Side J/B ECU: 

    DRIVER SIDE J/B ECU INSPECTION

    Description (Symbols) Tester display Check condition
    Illumination signal output ILLUMI OUTPUT ON - OFF
    1. OK: PROCEED TO NEXT CIRCUIT INSPECTION) SHOWN ON PROBLEM SYMPTOM TABLE, SEE  PROBLEM SYMPTOMS TABLE  . 
    2. NG: GO TO NEXT STEP. 
  2. INSPECT ILLUMINATION LIGHT 

    INSPECT PARTS ILLUMINATIONS 

    HINT:

    Please refer to each part's inspection when checking the terminals of the illuminations mentioned in the following table.

    ILLUMINATION LIGHT INSPECTION

    Parts Tester connection Specified condition
    Radio and Player R3-2 <=> R3-12 Continuity
    Audio Control Switch A25-1 <=> A25-5 Continuity
    Outer Mirror Switch R4-5 <=> R4-6 Continuity
    Cigarette Lighter C7-1 <=> C7-3 Continuity
    Electronically Controlled Transmission Pattern Select Switch E11-2 <=> E11-4 Continuity
    Multi-Display (1) M5-1 <=> M5-2 Continuity
    Seat Heater Switch (2) S3-6 <=> S3-7 Continuity
    A/T Shift Level Illumination A13-1 <=> A13-2 Continuity
    VSC Off Switch V7-3 <=> V7-4 Continuity
    A/C Control Assembly A9-1 <=> A10-10 Continuity
    (1) w/ LEXUS Navigation System,
    (2) w/ Seat Heater
    1. NG: REPLACE ILLUMINATION LIGHT 
    2. OK: GO TO NEXT STEP. 
  3. CHECK HARNESS AND CONNECTOR 
    1. Inspect the harness and connectors related to each illumination, referring to the wiring diagram.
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOM TABLE, SEE  PROBLEM SYMPTOMS TABLE  . 
RENDER: 1.0x

NO RELATED

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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.