P180D

P180D TRANSFER ROTARY POSITION SENSOR

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. DTC REPRODUCTION PROCEDURE

With CONSULT
1.Turn the ignition switch OFF to ON.
2.Turn the 4WD shift switch AUTO to 4H to 4L to 4H to AUTO.
3.Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "P180D" detected?
YES- Proceed to diagnosis procedure. Refer to "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. Refer to "Removal and Installation" Removal and Installation.
2.Perform confirmation procedure again. Refer to "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. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace error-detected parts.