Diagnostic Trouble Code Chart

2004 Toyota Matrix XR, FWD, StandardSECTION Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

  • Using SST 09843-18040, connect the terminals Tc and CG of the DLC3.
  • If any abnormalities are not found when inspecting the parts, inspect the ECU and wire harness.
  • If a malfunction code is displayed during the DTC check, check the circuit listed in the code. For details of each code, refer to under the respective "DTC No." in the following DTC chart.
    Fig 1: Diagnostic Trouble Code Chart
    G01438777Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    There is a case that hand-held tester cannot be used when the ABS warning light is always ON.

    Fig 2: DTC Speed Sensor Check Function Chart
    G01438778Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.