Vehicle Jerks During VDC/TCS/ABS Control

VEHICLE JERKS DURING VDC/TCS/ABS CONTROL


Diagnosis Procedure

1.SYMPTOM CHECK
Check if the vehicle jerks during VDC/TCS/ABS control.
Is the inspection result normal?
YES - Normal.
NO - GO TO 2
2.CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to Scan Tool Testing and Procedures.
Are self-diagnosis results indicated?
YES - Check corresponding items, make repairs, and perform ABS actuator and electric unit (control unit) self-diagnosis.
NO - GO TO 3
CHECK CONNECTOR
- Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector and check terminal for deformation, disconnection, looseness, etc.
- Securely connect connectors and perform ABS actuator and electric unit (control unit) self-diagnosis.
Are self-diagnosis results indicated?
YES - If poor contact, damage, open or short circuit of connector terminal is found, repair or replace.
NO - GO TO 4
4.CHECK ECM AND TCM SELF-DIAGNOSIS RESULTS
Perform ECM and TCM self-diagnosis.
Are self-diagnosis results indicated?
YES - Check the corresponding items.
- ECM: Refer to CONSULT-III Function (Engine).
- TCM: Refer to Diagnosis System (TCM).
NO - Replace ABS actuator and electric unit (control unit). Refer to Service and Repair.