ABS

DTC C1114 MAIN RELAY





Description
Activates or deactivates each solenoid valve according to the signals transmitted by the ABS actuator and electric unit (control unit).




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.





Is above displayed on the self-diagnosis display?
YES - Proceed to diagnosis procedure. Refer to ABS.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, refer to ABS.
1.CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminals.
4. Reconnect connector and perform self-diagnosis. Refer to ABS.
Is the inspection result normal?
YES - Inspection End.
NO - GO TO 2
2.CHECK SOLENOID AND ACTUATOR RELAY POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check voltage between ABS actuator and electric unit (control unit) connector E26 terminal 3 and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace malfunctioning components.
- Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".
3. CHECK SOLENOID AND ACTUATOR RELAY GROUND CIRCUIT





Check continuity between ABS actuator and electric unit (control unit) connector E26 terminal 1, 4 and ground.





Is the inspection result normal?
YES - Replace ABS actuator and electric unit (control unit). Refer to Removal And Installation.
- Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".
NO - Repair or replace malfunctioning components.
- Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".




Component Inspection
1.CHECK ACTIVE TEST
1. On "ACTIVE TEST", select "ABS MOTOR".
2. Touch ON and OFF on screen. Make sure motor relay and actuator relay operates as shown in table below.





Is the inspection result normal?
YES - Inspection End.
NO - Go to diagnosis procedure. Refer to ABS.