ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On

TROUBLE DIAGNOSES FOR SYMPTOMS

ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On


1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) FUSES

Check 40A fusible link f and 30A fusible link k for ABS actuator and electric unit (control unit).
OK or NG
OK- GO TO 2.
NG- If fusible link is blown, be sure to eliminate cause of problem before replacing.

2. 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 3.
NO- Repair harness or connectors between fusible link and
ABS actuator and electric unit (control unit).

3. 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- Replace ABS actuator and electric unit (control unit).
Service and Repair.
NO- Repair harness or connectors between ABS actuator and electric unit (control unit) and ground.