ABS/TCS/VDC Control Unit Power And Ground Systems Inspection

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS


ABS/TCS/VDC Control Unit Power and Ground Systems Inspection

1.SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.






Is the above displayed in the self-diagnosis display items?
YES - GO TO 2.
NO - Inspection End.
2.CONNECTOR INSPECTION
1. Disconnect the ABS actuator and electric unit (control unit) connector.
2. Check the terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace as necessary.
3.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUITS





1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check voltage between ABS actuator and electric unit (control unit) connector E33 terminals 2, 3 and ground.
Does battery voltage exist?
YES - GO TO 4.
NO - Repair harness or connectors between fusible link and
ABS actuator and electric unit (control unit).
4.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT





Check continuity between ABS actuator and electric unit (control unit) connector E33 terminals 1, 4 and ground.
Does continuity exist?
YES - Check the battery for loose terminals, low voltage, etc.
Repair as necessary.
NO - Repair harness or connectors between ABS actuator and electric unit (control unit) and ground.