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 MANUALSTOYOTA1997TERCEL 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMSELF-DIAGNOSTICSSPEED SENSOR DIAGNOSTICS
1997 Toyota Tercel 4D Sedan, Automatic
Speed Sensor Diagnostics
1997 Toyota Tercel 4D Sedan, AutomaticSECTION Speed Sensor Diagnostics
NOTE:
While diagnosing speed sensors, brake system functions as a conventional system.
- Ensure battery is in good condition and is fully charged. Turn ignition on. ABS light should come on, then go out after about 3 seconds. If ABS light does not come on, repair as necessary. See TROUBLE SHOOTING .
- Turn ignition off. Connect jumper wire between terminals Ts and E1 of DLC1. See Figure. Set parking brake. Start engine. ABS light should flash 4 times per second.
- Drive vehicle straight ahead above 28 MPH for several seconds. Stop vehicle. Connect jumper wire between terminals Tc and E1 of DLC1, leaving terminals Ts and E1 connected.
- If ABS displays normal code (4 flashes per second), check is complete. If a DTC is stored, 4 seconds will elapse, then ABS light will begin to flash a 2-digit DTC. First group of flashes will indicate first digit in DTC. After a 1.5-second pause, second group of flashes will indicate second digit in a DTC.
- If 2 or more DTCs are stored, there will be a 2.5-second pause between each DTC. After all DTCs are flashed, there will be a 4-second pause, then all DTCs will repeat.
- Record DTCs. Turn ignition off. Repair as necessary. See SPEED SENSOR DIAGNOSTIC CODES . Remove jumper wire from DLC1. Clear DTCs. See CLEARING DTCS. If ABS DTCs exist, go to appropriate DTC TEST under DIAGNOSTIC TESTS first.
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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.