C1924
C1924 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. Turn the ignition switch from OFF to ON.
2. Perform RAS control unit self-diagnosis.
Without CONSULT-III
1. Start the engine.
2. Perform the self-diagnosis. Refer to Diagnosis Description.
Is DTC "C1924" or "RAS warning lamp flickering pattern: 22" detected?
YES - Proceed to diagnosis procedure. Refer to C1924.
NO - INSPECTION END
Diagnosis Procedure
1.CHECK DRIVING
Drive for a short time.
Does the vehicle drive with front wheels in the straight-ahead position?
YES - GO TO 2.
NO - Adjust the wheel alignment. Refer to Inspection.
2.PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
With CONSULT-III
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is malfunction detected?
YES - Check malfunctioning circuit.
NO - GO TO 3.
3.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform RAS control unit self-diagnosis.
Is DTC "U1000" or "U1010" detected?
YES - Check malfunctioning circuit.
NO - GO TO 4.
4.PERFORM SELF-DIAGNOSIS
With CONSULT-III
1. Turn the ignition switch from OFF to ON.
2. Perform RAS control unit self-diagnosis.
Without CONSULT-III
1. Start the engine.
2. Perform the self-diagnosis. Refer to Diagnosis Description.
Is DTC "C1924" or "RAS warning lamp flickering pattern: 22" detected?
YES - Replace RAS control unit. Refer to Exploded View.
NO - GO TO 5.
5.CHECK INFORMATION
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 standard?
YES - Check pin terminal and connection of each harness connector for non-standard conditions.
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".