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 for "ABS" with CONSULT.
Are self-diagnosis results indicated?
YES- Check corresponding items, make repairs, and perform self-diagnosis for "ABS" with CONSULT.
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 connectors and perform self-diagnosis for "ABS" with CONSULT.
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 A/T SELF-DIAGNOSIS RESULTS

Perform self-diagnosis for "ENGINE" and "TRANSMISSION" with CONSULT.
Are self-diagnosis results indicated?
YES- Check the corresponding items.
NO- Replace ABS actuator and electric unit (control unit).