Vehicle Jerks During

VEHICLE JERKS DURING

Description

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


Diagnosis Procedure


1. CHECK SYMPTOM

Check the whether or not the vehicle jerks when VDC function, TCS function, ABS function, EBD function, brake limited slip differential (BLSD) function or brake assist function operates.
Is the inspection result normal?
YES- Normal
NO- GO TO 2.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis for "BRAKE".
Is any DTC detected?
YES- Check the DTC.
NO- Perform symptom diagnosis for VDC function, TCS function, ABS function, EBD function, brake limited slip differential (BLSD) function, or brake assist function. Refer to "Diagnosis Procedure" Vehicle Jerks During Control. GO TO 3.

3. CHECK CONNECTOR

With CONSULT
1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect ABS actuator and electric unit (control unit) harness connector.
5.Disconnect electrically-driven intelligent brake unit harness connector.
6.Check the connector terminal for deformation, disconnection, or looseness.
7.Connect harness connector and perform self-diagnosis for "BRAKE" again.
Is the inspection result normal?
YES- GO TO 4.
NO- Poor connection of connector terminal. Repair or replace connector terminal.

4. CHECK VCM SELF DIAGNOSIS RESULT ITEMS

With CONSULT
Perform self-diagnosis for "EV/HEV". Refer to "CONSULT Function" VCM.
Is any DTC detected?
YES- Check the DTC.
NO- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Removal And Installation.