Diagnostic Trouble Code Chart

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

HINT:

  • If malfunction is not found when inspecting parts, inspect the ECU and ground points for poor contact.
  • If a malfunction code is displayed during the DTC check, check the circuit listed for that code. For details of each code, refer to the "See page" for respective "DTC No." in the DTC chart.
  • When 2 or more DTCs are detected, perform circuit inspection one by one until the problem is identified.
    Fig 1: Diagnostic Trouble Code Chart (1 Of 2)
    G02894140Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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:

  • 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.