U1200

U1200 VEHICLE SPEED SIGNAL (ABS)





Description
EPS control unit receives the vehicle speed signal from ABS actuator and electric unit (control unit) via CAN communication line.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
With CONSULT-III
Perform self-diagnosis for "EPS" with CONSULT-III.





Is above displayed on the self-diagnosis display?
YES - Proceed to diagnosis procedure. U1200.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SYSTEM
With CONSULT-III
Perform self-diagnosis for "ABS" with CONSULT-III. Repair or replace items indicated, then perform self-diagnosis again. ABS (ABS models), VDC/TCS/ABS (VDC models).
Is any item indicated on the self-diagnosis display?
YES - Repair or replace malfunctioning components.
NO - GO TO 2.
2.CHECK CONNECTOR
With CONSULT-III
1. Turn ignition switch OFF.
2. Disconnect EPS control unit harness connector.
3. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
4. Reconnect connectors and then perform self-diagnosis for "EPS" with CONSULT-III.
Is any item indicated on the self-diagnosis display?
YES - Replace EPS control unit. Exploded View.
NO - Poor connection of connector terminal. Repair or replace connector.




Special Repair Requirement
1.ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the steering column assembly. Special Repair Requirement. (VDC models)
- END