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 MANUALSTOYOTA1999CAMRY XLE, 2.2 GREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM W/TRACTION CONTROL SYSTEMDIAGNOSIS & TESTINGSPEED SENSOR DIAGNOSTICS
1999 Toyota Camry XLE, 2.2 G
Speed Sensor Diagnostics
1999 Toyota Camry XLE, 2.2 GSECTION Speed Sensor Diagnostics
NOTE:
While diagnosing speed sensors, brake system functions as a conventional system.
- Ensure battery voltage exists. Turn ignition on. Ensure ABS light illuminates, then goes out after about 3 seconds. If ABS light does not illuminate, check fuse, bulb and wiring harness.
- Turn ignition off. Using a jumper wire, jumper check connector terminals Ts and E1 of DLC1. See Figure-Figure . Start engine. Ensure ABS light blinks 4 times per second. If it does not, go to ABS WARNING LIGHT .
- Drive vehicle straight ahead faster than 28 MPH for several seconds without depressing brake. Stop vehicle. Jumper terminals Tc and E1 of DLC1. On 2000 models, terminals Ts and CG of DLC3 may be used instead. See Figure. Observe ABS warning light. If a malfunction is detected, 4 seconds will elapse and ABS light will begin to flash a 2-digit DTC. First number of blinks will equal first digit in DTC. After a 1.5-second pause, second number of blinks will equal second digit in 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 and all DTCs will repeat.
- Record speed sensor DTCs. See DTC DEFINITIONS . Turn ignition off. See FRONT SPEED SENSORS , REAR SPEED SENSORS and SENSOR ROTORS under COMPONENT TESTS. Repair as necessary. Remove jumper wires. Clear DTCs. See CLEARING DTCS .
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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.