C1926

C1926 STEERING ANGLE SENSOR





Description
Steering angle sensor signal is transmitted from steering angle sensor to RAS control unit via CAN communication.




DTC Logic

DTC DETECTION LOGIC

DTC Detection Logic:

DTC CONFIRMATION PROCEDURE
1.DTC REPRODUCTION PROCEDURE
With CONSULT-III
1. Start the engine.

CAUTION:
Stop the vehicle.
2. Turn the steering wheel leftward slowly. Steer until the turning stops.
3. Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4. Perform RAS control unit self-diagnosis.
Without CONSULT-III
1. Start the engine.

CAUTION:
Stop the vehicle.
2. Turn the steering wheel leftward slowly. Steer until the turning stops.
3. Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4. Perform the self-diagnosis. Refer to Diagnosis Description.
Is DTC "C1926" or "RAS warning lamp flickering pattern: 22" detected?
YES - Proceed to diagnosis procedure. Refer to C1926.
NO - INSPECTION END




Diagnosis Procedure
1.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform ABS actuator and electrical unit (control unit) self-diagnosis.
Is any error system detected?
YES - Check the error system.
NO - GO TO 2.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform RAS control unit self-diagnosis
Is DTC "U1000" or "U1010" detected?
YES - Check the error system.
NO - GO TO 3.
3.PERFORM SELF-DIAGNOSIS
With CONSULT-III
1. Start the engine.

CAUTION:
Stop the vehicle.
2. Turn the steering wheel leftward slowly. Steer until the turning stops.
3. Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4. Perform RAS control unit self-diagnosis.
Without CONSULT-III
1. Start the engine.

CAUTION:
Stop the vehicle.
2. Turn the steering wheel leftward slowly. Steer until the turning stops.
3. Turn the steering wheel rightward slowly. Steer to the straight-forward position.
4. Perform the self-diagnosis. Refer to Diagnosis Description.
Is DTC "C1926" or "RAS warning lamp flickering pattern: 22" detected?
YES - Replace RAS control unit. Refer to Exploded View.
NO - GO TO 4.
4.INFORMATION CHECK
With CONSULT-III
Check the "DATA MONITOR" value of each DTC detected with the self-diagnosis function. Refer to RAS Control Unit.
Is each data the standard value?
YES - Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO - Replace RAS control unit. Refer to Exploded View.




Special Repair Requirement

BEFORE REPLACING RAS CONTROL UNIT
- Record the self-diagnosis results (history).

CAUTION:
- Never erase the memory (history) of self-diagnosis results when replacing RAS control unit after diagnosis.
- Erase the memory of the self-diagnosis results (record) after printing out or recording all the values of "DATA MONITOR".