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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 555 (AIR CONDITIONING SYSTEM - DIAGNOSTICS)CIRCUIT INSPECTIONACC POWER SOURCE 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.
  1. Check voltage between terminals ACC and GND of integration control and panel. 

    PREPARATION:

    Remove integration control and panel with connectors still connected.

    CHECK:

    1. Turn ignition switch to ACC.
    2. Measure voltage between terminals ACC and GND of integration control and panel.

    OK:

    1. Voltage: 10 - 14 V 
    Fig 1: Measuring Voltage Between Terminals ACC And GND Of Integration Control And Panel
    G02839107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK : Proceed to next circuit inspection shown in  PROBLEM SYMPTOMS TABLE  . 
    2. NG : Go To Next Step. 
  2. Check CIG fuse. 

    PREPARATION:

    Remove CIG fuse from cowl side J/B.

    CHECK:

    Check continuity of CIG fuse.

    OK:

    1. Continuity 
    Fig 2: Locating CIG Fuse From Cowl Side J/B
    G02839108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG : Check for short in all the harness and components connected to the IGN fuse (See attached wiring diagram). 
    2. OK : Check and repair harness and connector between integration control and panel and battery. 
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.