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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 688 (ABS WITH EBD SYSTEM - DIAGNOSTICS)PROBLEM SYMPTOMS TABLE
2004 Toyota Matrix XR, FWD, Standard

Problem Symptoms Table

2004 Toyota Matrix XR, FWD, StandardSECTION Problem Symptoms Table
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.

If there are no DTCs output but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.

NOTE: When replacing the skid control ECU, sensor etc., turn the ignition switch to off. 
PROBLEM SYMPTOMS TABLE - ANTI-LOCK BRAKE SYSTEM WITH EBD

Symptom Suspected
ABS does not operate
  1. Check the DTC reconfirming that the normal code is output.
  2. IG power source circuit
  3. Speed sensor circuit
  4. Check the brake actuator with a hand-held tester. If there is a malfunction, check the hydraulic circuit for leakage.
  5. When the above areas (1 to 4) are all normal but the problem still occurs, replace the skid control ECU.
ABS does not operate properly
  1. Check the DTC reconfirming that the normal code is output.
  2. Speed sensor circuit
  3. Stop light switch circuit
  4. Check the brake actuator with a hand-held tester. If there is a malfunction, check the hydraulic circuit for leakage.
  5. When the above areas (1 to 4) are all normal but the problem still occurs, replace the skid control ECU.
ABS warning light malfunction
  1. ABS warning light circuit
  2. Skid control ECU
DTC check cannot be performed
  1. ABS warning light circuit
  2. TC terminal circuit
  3. When the above areas (1 and 2) are all normal but the problem still occurs, replace the skid control ECU.
Speed sensor signal check cannot be performed
  • 4. Skid control ECU
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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.