P180D

P180D TRANSFER ROTARY POSITION SENSOR





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.DTC REPRODUCTION PROCEDURE
With CONSULT-III
1. Turn the ignition switch OFF to ON.
2. Turn the 4WD shift switch AUTO right arrow 4H right arrow 4LO right arrow 4H right arrow AUTO.
3. Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "P180D" detected?
YES - Proceed to diagnosis procedure. SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK TRANSFER ROTARY POSITION SENSOR SIGNAL
1. Turn the ignition switch ON.
2. Check the voltage between transfer control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 2.
2.CHECK TRANSFER ROTARY POSITION SENSOR POWER SUPPLY
1. Turn the ignition switch OFF.
2. Disconnect transfer rotary position sensor harness connector.
3. Turn the ignition switch ON.

CAUTION:
Never start the engine.
4. Check the voltage between transfer rotary position sensor harness connector terminals.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK TRANSFER ROTARY POSITION SENSOR CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect transfer control unit harness connector.
3. Check the continuity between transfer control unit harness connector and transfer rotary position sensor harness connector.





4. Check the continuity between transfer rotary position sensor harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace error-detected parts.
4.CHECK TRANSFER ROTARY POSITION SENSOR SIGNAL CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect transfer control unit harness connector.
3. Check the continuity between transfer control unit harness connector and transfer rotary position sensor harness connector.





4. Check the continuity between transfer rotary position sensor harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace error-detected parts.
5.REPLACE TRANSFER ROTARY POSITION SENSOR
1. Replace transfer rotary position sensor. Removal And Installation.
2. Perform confirmation procedure again. SEE DTC Logic.
Is DTC "P180D" detected?
YES - GO TO 6.
NO - INSPECTION END
6.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. Service and Repair.
NO - Repair or replace error-detected parts.