Vehicle Jerks During Control

VEHICLE JERKS DURING

Description

The vehicle jerks when VDC function, TCS function, ABS function, EBD function or brake limited slip differential (BLSD) function operates.


Diagnosis Procedure


1. CHECK SYMPTOM

Check that the vehicle jerks when VDC function, TCS function, ABS function, EBD function or brake limited slip differential (BLSD) function operates.
Is the inspection result normal?
YES- Normal
NO- GO TO 2.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis for "ABS".
Is any DTC detected?
YES- Check the DTC. Testing and Inspection.
NO- GO TO 3.

3. CHECK CONNECTOR

With CONSULT
1.Turn the ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) harness connector.
3.Check connector terminal for deformation, disconnection and looseness.
4.Connect harness connector and perform self-diagnosis for "ABS" again.
Is the inspection result normal?
YES- GO TO 4.
NO- Poor connection of connector terminal. Repair or replace connector terminal.

4. CHECK ECM AND TCM SELF-DIAGNOSIS RESULTS

With CONSULT
Perform self-diagnosis for "ENGINE" and "TRANSMISSION" (for CVT models).
Is any DTC detected?
YES- Check the DTC.
NO- Replace ABS actuator and electric unit (control unit). Removal And Installation.