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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 515 (MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSIS)DIAGNOSTIC TROUBLE CODES CHECK/CLEAR
2004 Toyota Matrix XR, FWD, Standard

Diagnostic Trouble Codes Check/Clear

2004 Toyota Matrix XR, FWD, StandardSECTION Diagnostic Trouble Codes Check/Clear
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC 
    1. Connect the hand-held tester (with CAN VIN) to the DLC3 through the CAN VIN (controller area network vehicle interface module).
    2. Turn the power switch ON (IG).
    3. Read DTCs by following the prompts on the hand-held tester screen.

    HINT:

    Refer to the tester operator's manual for further details.

    Fig 1: Connecting Hand Held Tester (With CAN VIN) To DLC3 Through CAN VIN
    G02919789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CLEAR DTC 
    1. Connect the hand-held tester (with CAN VIN) to the DLC3 through the CAN VIM.
    2. Turn the power switch ON (IG).
    3. Erase the DTCs by following the prompts on the tester screen.

    HINT:

    Refer to the hand-held tester operator's manual for further details.

RENDER: 1.0x

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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.