C1919

C1919 VEHICLE SPEED SIGNAL





Description
The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to RAS control unit via CAN communication.




DTC 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 "4WAS(MAIN)/RAS/HICAS" self-diagnosis.
Without CONSULT-III
1. Start the engine.
2. Perform the self-diagnosis. Diagnosis Description.
Is DTC "C1919" or "RAS warning lamp flickering pattern:21" detected?
YES - Proceed to diagnosis procedure. C1919.
NO - INSPECTION END




Diagnosis Procedure
1.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform "ABS" self-diagnosis.
Is any error system detected?
YES - Check the error system.
NO - GO TO 2.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform "4WAS(MAIN)/RAS/HICAS" 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. Turn the ignition switch from OFF to ON.
2. Perform "4WAS(MAIN)/RAS/HICAS" self-diagnosis.
Without CONSULT-III
1. Start the engine.
2. Perform the self-diagnosis. Diagnosis Description.
Is DTC "C1919" or "RAS warning lamp flickering pattern:21" detected?
YES - Replace RAS control unit. RAS Control Unit.
NO - GO TO 4.
4.INFORMATION CHECK
With CONSULT-III
1. Select "DATA MONITOR" of "4WAS(MAIN)/RAS/HICAS".
2. Check the "DATA MONITOR" value of each DTC detected with the self-diagnosis function. With Rear Active Steer.
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. RAS Control Unit.




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".