TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BAT/Brakes, ABS & TRAC Systems81 / 167
p.082
INSPECTION PROCEDURE — MK4 Supra Brakes, ABS & TRAC Systems, page 81
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BR–81 BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS) INSPECTION PROCEDURE Check voltage between terminal 1 of R/B No. 5 (for TRAC motor relay) and body ground. LOCK P Remove TRAC motor relay from R/B No. 5. C Measure voltage between terminal 1 of R/B No. 5 (for TRAC motor relay) and body ground. OK Voltage: 10 — 14 V. R/B No.5 8E8053 R07050 OK NG Check and repair harness or connector. Check continuity between terminal 2 of R/B No. 5 (for TRAC motor relay) and terminal 2 of TRAC pump motor. C Check continuity between terminal 2 of R/B No. 5 (for TRAC motor relay ) and terminal 2 of TRAC pump motor. OK Continuity. HINT: There is a resistance of 4 — 6 between ter- minals 2 and 3 of TRAC pump motor. TRAC Motor Relay (R/B No.5) 2 3 TRAC Pump Motor 2 R07080 OK NG Repair or replace harness or TRAC pump motor.