Diagnosis Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK TRANSFER MOTOR TEMPERATURE SENSOR POWER SUPPLY
- Turn the ignition switch OFF.
- Disconnect transfer control actuator harness connector.
- Turn the ignition switch ON.CAUTION: Never start the engine.
- Check the voltage between transfer control actuator harness connector terminals.VOLTAGE SPECIFICATION
+ - Voltage Transfer control actuator Connector Terminal F52 4 7 Approx. 5 V Is the inspection result normal?
YES: GO TO 3.
NO: GO TO 2.
- CHECK TRANSFER MOTOR TEMPERATURE SENSOR CIRCUIT
- Turn the ignition switch OFF.
- Disconnect transfer control unit harness connector.
- Check the continuity between transfer control unit harness connector and transfer control actuator harness connector.CONTINUITY SPECIFICATION
Transfer control unit Transfer control actuator Continuity Connector Terminal Connector Terminal E59 28 F52 4 Existed 9 7 - Check the continuity between transfer control actuator harness connector and ground.CONTINUITY SPECIFICATION
Transfer control actuator - Continuity Connector Terminal F52 7 Ground Not existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair or replace error-detected parts.
- CHECK TRANSFER MOTOR TEMPERATURE SENSOR
Check the transfer control actuator. Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 4.
NO: Transfer motor temperature sensor is malfunctioning. Replace transfer control actuator. Refer to "EXPLODED VIEW ".
- CHECK TERMINALS AND HARNESS CONNECTORS
Check the pin terminals for damage or loose connection with each harness connector.
Is the inspection result normal?
YES: Replace transfer control unit. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair or replace error-detected parts.