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 360 (ABS - DIAGNOSTICS)SYSTEM TESTSBRAKE WARNING LIGHT CIRCUITINSPECTION PROCEDURE
2004 Toyota Matrix XR, FWD, Standard
Inspection Procedure
2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
- Check: PROBLEM SYMPTOMS
.
- NG : Repair or replace parking brake switch circuit.
- OK : Go to next step.
- Check PROBLEM SYMPTOMS
.
- NG : Repair or replace brake fluid level warning switch circuit.
- OK : Go to next step.
- Is DTC Output?
Check DTC, see Step 1) e or f.
- YES : Repair circuit indicated by the output code.
- NO : Go to next step.
- Check BRAKE Warning Light
.
- NG : Repair or replace combination meter.
- OK : Check and replace skid control ECU.
NOTE: When replacing the ECU, perform the zero point calibration (See step 6 under PRE-CHECK).
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:
- • 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.