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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 843 (COMBINATION METER SYSTEM - DIAGNOSIS)CIRCUIT INSPECTIONCOMBINATION METER ECU 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 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check fuse. (GAUGE, MPX-B2 and DOME fuse) 
    1. NG : Replace fuse. 
    2. OK : Go to next step. 
  2. Check voltage between terminals 12(B), 13(B), 1(IG+) and 11(ES) of combination meter connector. 

    PREPARATION: 

    1. Remove the combination meter.
    2. Disconnect the combination meter connector. CHECK:

    Measure voltage between terminals 12(B), 13(B), and 1 (IG+) of the combination meter connector and 11 (ES).

    OK: 

    Voltage: 10 - 14 V 

    Fig 1: Identifying Terminals
    G03376305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK : Proceed to next circuit inspection shown on problem symptom table (See  PROBLEM SYMPTOMS TABLE  ). 
    2. NG : Go to next step. 
  3. Check for open in harness and connector between terminal GND of combination meter and body ground (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG : Repair or replace wire harness or connector. 
    2. OK : Check and repair wire harness and connector between combination meter 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.