C1167

C1166, C1167 SV SYSTEM





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.
2.CHECK DTC DETECTION
With CONSULT-III.
1. Turn the ignition switch OFF to ON.
2. Perform self-diagnosis for "ABS".
Is DTC "C1166" or "C1167" detected?
YES - Proceed to SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK SUCTION VALVE POWER SUPPLY
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Check 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 voltage between ABS actuator and electric unit (control unit) harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK SUCTION VALVE POWER SUPPLY CIRCUIT
1. Turn the ignition switch OFF.
2. Check 50 A fusible link (I).
3. Check continuity and short circuit between ABS actuator and electric unit (control unit) harness connector terminal (2) and 50 A fusible link (I).
Is the inspection result normal?
YES - Perform trouble diagnosis for battery power supply. Battery Power Supply, "Wiring Diagram - BATTERY
POWER SUPPLY -".
NO - Repair or replace error-detected parts.
3.CHECK SUCTION VALVE GROUND CIRCUIT
1. Turn the ignition switch OFF.
2. Check continuity between ABS actuator and electric unit (control unit) harness connector and the ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace error-detected parts.
4.CHECK TERMINAL
Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES - Replace ABS actuator and electric unit (control unit). Removal And Installation.
NO - Repair or replace error-detected parts.