Diagnosis System

2004 Toyota Matrix XR, FWD, StandardSECTION Diagnosis System
WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. DIAGNOSIS 
    NOTE: When releasing the parking brake lever, set the chocks to hold the vehicle for safety. 
    1. Release the parking brake lever.
    2. If the skid control ECU detects a malfunction, the ABS, brake warning lights will come on to warn the driver. The table below indicates which lights come on when there is a malfunction in a particle function.
      Fig 1: Identifying ABS Warning Light
      G03036175Courtesy of © 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:

  • 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.