Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 226 (ANTI-LOCK BRAKE SYSTEM)TROUBLESHOOTINGSYMPTOM DIAGNOSIS
2004 Toyota Matrix XR, FWD, Standard
Symptom Diagnosis
2004 Toyota Matrix XR, FWD, StandardSECTION Symptom Diagnosis
WARNING: This page is about a different car, the 2003 Toyota Tundra, 2002 Toyota Tundra, and 2001 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
Perform symptom diagnosis when no DTCs are present, but symptom still occurs. See SYMPTOM DIAGNOSIS table, then see specified procedure or appropriate test under DIAGNOSTIC TESTS , SYSTEM TESTS or COMPONENT TESTS .
SYMPTOM DIAGNOSIS
| Symptom | Circuit (1) | DTC Or Procedure | ||||
|---|---|---|---|---|---|---|
| ABS Does Not Operate (2) | Check DTC, Confirm Normal DTC Is Output | RETRIEVING DIAGNOSTIC TROUBLE CODES | ||||
| IG Power Source Circuit | DTC C1241/ 41 | |||||
| Speed Sensor Circuit | DTC 31, 32, 33 & 34 | |||||
| Check Hydraulic Circuit For Leaks | Visual Inspection | |||||
| ABS Inoperative Intermittently(2) | Check DTC, Confirm Normal DTC Is Output | RETRIEVING DIAGNOSTIC TROUBLE CODES | ||||
| Speed Sensor Circuit | DTC 31, 32, 33 & 34 | |||||
| Stoplight Switch Circuit | DTC C1249/ 49 | |||||
| Check Hydraulic Circuit For Leaks | Visual Inspection | |||||
| ABS Warning Light Abnormal | ABS Warning Light Circuit | ABS WARNING LIGHT | ||||
| ABS ECU | ABS LIGHT ON: ABS ECU MALFUNCTION | |||||
| Unable To Perform DTC Check (2) | ABS Warning Light Circuit | ABS WARNING LIGHT | ||||
| Tc Terminal Circuit | Tc TERMINAL | |||||
| Unable To Check Speed Sensor Signal | Ts Terminal Circuit | Ts TERMINAL | ||||
| Check ABS ECU Circuits | ABS LIGHT ON: ABS ECU MALFUNCTION | |||||
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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.