Vehicle Jerks During TCS/ABS Control

VEHICLE JERKS DURING TCS/ABS CONTROL

Diagnosis Procedure

1. SYMPTOM CHECK
Check if the vehicle jerks during TCS/ABS control.
Is the inspection result normal?
YES >> Normal.
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.
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 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: Refer to EC-1123, "CONSULT-III Function".
CONSULT-III Function
^ CVT: Refer to TM-117, "Diagnosis Description".
On Board Diagnostic (OBD) System
NO >> Replace ABS actuator and electric unit (control unit).