TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
p.058
BR/Brake System59 / 72
p.060
BRAKE SYSTEM — Anti-lock Brake System (A.B.S.) — MK3 Supra Brake System, page 59
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Continued from BR-58 Does any abnormal change occur in continuity when the connectors or wire harness of the speed sensor and intermediate connectors are twisted or bent? YES (Abnormal change) → Faulty wire harness. NO (No change) ↓ Is there foreign material or ferric chips on the sensor tip? YES → Clean chips from the speed sensor. NO ↓ Inspect the front axle hub serrations and sensor rotor serrations. (See pages BR-67 and 70) ↓ Are the front axle hub serrations and sensor rotor serrations OK? NO → Faulty front axle hub and/or sensor rotor. YES ↓ Inspect the brake actuator operation. (See page BR-61) ↓ Is actuator operation OK? NO → Faulty brake actuator. YES ↓ Replace the speed sensor. (Inner magnet faulty)