Vehicle Jerks During Control

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 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 (1)

With CONSULT
1.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
2.Repeat step 1 two or more times.
3.Perform self-diagnosis for "ABS".
Is any DTC detected?
YES- Check the DTC.
NO- GO TO 3.

3. CHECK CONNECTOR

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

4. PERFORM SELF-DIAGNOSIS (2)

With CONSULT
1.Connect harness connector.
2.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
3.Repeat step 2 two or more times.
4.Perform self-diagnosis for "ABS".
Is any DTC detected?
YES- Check the DTC. Refer to "DTC Index"
NO- GO TO 5.

5. CHECK VCM SYSTEM

With CONSULT
Perform self-diagnosis for "EV/HEV".
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.