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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 549 (BODY CONTROL SYSTEMS - DIAGNOSTICS)CIRCUIT INSPECTIONENGINE HOOD COURTESY 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 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: In case of using the TOYOTA hand-held tester, start the inspection from step 1 and in case of not using the TOYOTA hand-held tester, start from step 2.
  1. Check engine hood courtesy switch using TOYOTA hand-held tester. 

    PREPARATION:

    Connect the TOYOTA hand-held tester to the DLC 3.

    CHECK:

    Check the engine hood courtesy switch using DATA LIST.

    1. OK : Proceed to next circuit inspection shown in PROBLEM SYMPTOMS TABLE   . 
    2. NG : Go To Next Step. 
  2. Check engine hood courtesy switch. 

    PREPARATION:

    1. Remove engine hood lock assembly.
    2. Disconnect engine hood courtesy switch connector.

    CHECK:

    Check continuity between terminals 1 and 2 when engine hood lock is locked and unlocked.

    OK:

    LOCKED AND UNLOCKED CONTINUITY REFERENCE

    Engine hood lock Tester connection Specified condition
    LOCK 1 - 2 No Continuity
    UNLOCK 1 - 2 Continuity
    Fig 1: Checking Engine Hood Courtesy Switch
    G02838827Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Replace engine hood courtesy switch. 
    2. OK : Go To Next Step. 
  3. Check harness and connector between body ECU and switch, switch and body ground (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG : Repair or replace harness or connector. 
    2. OK : Proceed to next circuit inspection shown in problem symptoms table (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
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.