Diagnosis Procedure
1.SYMPTOM CHECK
Check if the vehicle jerks during VDC/TCS/ABS control.
Is the inspection result normal? YES >> Inspection End.
NO >> GO TO 2
2.CHECK SELF DIAGNOSTIC RESULT
Perform self diagnostic result of ABS actuator and electric unit (control unit). Refer to BRC-31, "CONSULT Function (ABS)".
Are self diagnostic results indicated? YES >> Check corresponding items, make repairs, and perform ABS actuator and electric unit (control unit) self diagnostic result again. Refer to BRC-31, "CONSULT Function (ABS)".
NO >> GO TO 3
3.CHECK CONNECTOR
Turn ignition switch OFF.
Disconnect ABS actuator and electric unit (control unit) connector.
Check terminals for deformation, disconnection, looseness, etc.
Securely reconnect connector and perform ABS actuator and electric unit (control unit) self diagnostic result. Refer to BRC-31, "CONSULT Function (ABS)".
Are self diagnostic 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 TCM SELF DIAGNOSTIC RESULT
Perform ECM self diagnostic result. Refer to EC-66, "CONSULT Function".
Perform TCM self diagnostic result. Refer to TM-108, "CONSULT Function".
Are self diagnostic results indicated? YES >> Check the corresponding items.
ECM: Refer to EC-94, "DTC Index".
TCM: Refer to TM-126, "DTC Index".
NO >> Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".
Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat
belt
pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of inju ...
Standardized relay
Description
Normal open, normal closed and mixed type relays
Relays can mainly be divided into three types: normal open, normal closed and
mixed type relays.
Type of standardized relays
...
M&A branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for damage,
bend and loose connection
(unit side and connector side).
Is the inspection result nor ...