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 MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 140 (ANTI-LOCK)SYMPTOM TESTINGNOTES

2004 Toyota Celica GT, Standard

Symptom Testing: Notes

2004 Toyota Celica GT, StandardSECTION Notes

WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM INDEX

Symptom	Perform Test
ABS Indicator Constantly Illuminated, Malfunction In ABS ECU	TEST A
ABS Warning Light Remains On	TEST B
ABS Warning Light Circuit Does Not Light Up	TEST C
Brake Warning Light Circuit	TEST D
TC Terminal Circuit	TEST E
TS Terminal Circuit	TEST F

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.