Inspection 3 RAS Motor Output Malfunction

Inspection 3 RAS Motor Output Malfunction

1.CHECK RAS CONTROL UNIT CONNECTOR
1. Turn ignition switch OFF, disconnect RAS control unit harness connector and RAS motor harness connector, and check terminal for deformation, disconnection, looseness, etc.
2. Reconnect harness connector securely, and perform self-diagnosis.

With CONSULT-III





Without CONSULT-III





Is above displayed on self-diagnosis display?
YES >> GO TO 2.
NO >> Connector terminal connection is loose, damaged, open, or shorted. Repair or replace the terminal.

2.CHECK RAS MOTOR RESISTANCE
1. Turn ignition switch OFF, and disconnect RAS motor harness connector B463.





2. Check the resistance RAS motor connector.
Terminal 1 - 2: Approx. 0.6 ohms
OK or NG
OK >> GO TO 3.
NG >> RAS motor malfunction. Replace RAS motor.

3.CHECK RAS MOTOR HARNESS
1. Connect RAS motor harness connector B463.
2. Disconnect RAS control unit harness connector B476.





3. Check continuity RAS control unit harness connector B476.
Terminal 38 - 39: Continuity should exist.
OK or NG
OK >> RAS control unit malfunction. Replace RAS control unit.
NG >> Harness between RAS motor and RAS control unit open or shorted. Repair or replace harness.