C1127

C1121, C1123, C1125, C1127 ABS OUT VALVE SYSTEM

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.
1.Turn ignition switch OFF to ON.
2.Perform self-diagnostic result.
Is DTC C1121, C1123, C1125 or C1127 detected?
YES- Proceed to diagnosis procedure. Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" [1][2]Antilock Brakes / Traction Control Systems.

1. CONNECTOR INSPECTION

1.Turn ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) connectors.
3.Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace as necessary.

2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY

Check voltage between ABS actuator and electric unit (control unit) connector E125 terminal 3 and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace malfunctioning components.

3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control unit) connector E125 terminals 1, 2 and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Removal and Installation.
NO- Repair or replace malfunctioning components.
Revision: March 20122013 Infiniti JX