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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 602 (COMBINATION METER - DIAGNOSIS)MALFUNCTION IN SPEED METERINSPECTION 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. Check speedometer operation.
      1. Connect the OBD II scan tool or LEXUS hand-held tester to DLC3.
      2. Turn the ignition switch ON and push the OBD II scan tool or LEXUS hand-held tester main switch ON.
      3. Select the ACTIVE TEST mode on the OBD II scan tool or LEXUS hand-held tester.
      4. Check that the prove moves as OBD II scan tool or LEXUS hand-held tester directs in each range.

      OK: The meter operates normally. 

    1. NG: CHECK AND REPLACE COMBINATION METER ASSY 
    2. OK: GO TO NEXT STEP 
  2. READ VALUE OF OBD II SCAN TOOL OR LEXUS HAND-HELD TESTER 
    1. Check output value of speedometer.
      1. Connect the OBD II scan tool or LEXUS hand-held tester to DLC3.
      2. Turn the ignition switch ON and push the OBD II scan tool or LEXUS hand-held tester main switch ON.
      3. Select the DATA LIST mode on the OBD II scan tool or LEXUS hand-held tester.
      4. Check that there is no difference between the speed value output from the speed sensor displayed by the OBD II scan tool or LEXUS hand-held tester and the speed value displayed by the speedometer when driving the vehicle.

      OK: There is almost no difference from the displayed speed value. 

    1. NG: GO TO BRAKE SYSTEM 
    2. OK: GO TO NEXT STEP 
  3. CHECK COMBINATION METER ASSY(SI) 
    1. Check voltage between terminal S1 of combination meter and body ground.
      1. Remove the combination meter with connectors still connected.
      2. Shift the shift lever to neutral.
      3. Jack up one of the rear wheel.
      4. Turn the ignition switch ON.
      5. Measure voltage between terminal S1 of combination meter and body ground when the rear wheels are turned slowly.

    Voltage is generated intermittently. 

    Fig 1: Checking Voltage Between Terminal S1 Of Combination Meter & Body Ground
    G03386910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.