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BRC-146 < DTC/CIRCUIT DIAGNOSIS > [WITH VDC (ESP)] C1140 ACTUATOR RELAY SYSTEM Is DTC “C1140” detected? YES >> GO TO 3. NO >> INSPECTION END 3. CHECK ACTUATOR RELAY POWER SUPPLY 1. Turn the ignition switch OFF. 2. Disconnect the ABS actuator and electric unit (control unit) harness connector. 3. Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground. 4. Turn the ignition switch ON. CAUTION: Never start engine. 5. Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground. Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 4. 4. CHECK ACTUATOR RELAY POWER SUPPLY CIRCUIT 1. Turn the ignition switch OFF. 2. Check the 30A fusible link (#G). 3. Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con- Is the inspection result normal? YES >> Perform trouble diagnosis for battery power supply. NO >> Repair or replace error-detected parts. 5. CHECK ACTUATOR RELAY GROUND CIRCUIT 1. Turn the ignition switch OFF. 2. Check the continuity between ABS actuator and electric unit (control unit) harness connector and the Is the inspection result normal? YES >> GO TO 6. NO >> Repair or replace error-detected parts. 6. CHECK TERMINAL Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness. Is the inspection result normal? YES >> Replace the ABS actuator and electric unit (control unit). • LHD models: Refer to BRC-217, "LHD : Removal and Installation" • RHD models: Refer to BRC-220, "RHD : Removal and Installation" . NO >> Repair or replace error-detected parts. ABS actuator and electric unit (control unit) — Voltage Connector Terminal E36 25 Ground 10 – 16 V ABS actuator and electric unit (control unit) — Voltage Connector Terminal E36 25 Ground 10 – 16 V ABS actuator and electric unit (control unit) — Continuity Connector Terminal E36 13 Ground Existed 38 |