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- Inspection End.
NO- GO TO 2

2. CHECK SELF-DIAGNOSIS RESULTS

Perform self-diagnostic of ABS actuator and electric unit (control unit).
Are self-diagnosis results indicated?
YES- Check corresponding items, make repairs, and perform ABS actuator and electric unit (control unit) self-diagnosis. Scan Tool Testing and Procedures.
NO- GO TO 3

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 connector 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 CVT SELF-DIAGNOSIS RESULTS

Perform ECM and CVT self-diagnosis.
Are self-diagnosis results indicated?
YES-Check the corresponding items.
- ECM: CONSULT Function.
- CVT: CONSULT Function.
NO- Replace ABS actuator and electric unit (control unit). Removal And Installation.