Operation CHARM: Car repair manuals for everyone.

C1A04

C1A04 ABS/TCS/VDC SYSTEM

Description
- ABS actuator and electric unit (control unit) transmits the vehicle speed signal (wheel speed), the stop lamp switch signal, and the operation status of the VDC, TCS, and ABS systems to the ICC sensor integrated unit with CAN communication.
- ABS actuator and electric unit (control unit) receives the deceleration degree command value signal from the ICC sensor integrated unit with CAN communication and controls the brake fluid pressure with the ABS actuator and electric unit (control unit).

NOTE: If DTC C1A04 is detected along with DTC U1000, first diagnose the DTC U1000. Refer to CCS-79, "Diagnosis Procedure". Cruise Control

DTC Logic

DTC DETECTION LOGIC






Diagnosis Procedure

Step 1-5:




Step 5 (Continued)-6: