P180C

P180C SENSOR POWER SUPPLY (5V)

Description

Supplies power (5V) to transfer lock position sensor and 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.Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "P180C" detected?
YES- Proceed to diagnosis procedure. Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK TRANSFER LOCK POSITION SENSOR POWER SUPPLY (1)

1.Turn the ignition switch OFF.
2.Disconnect transfer lock position sensor harness connector and transfer rotary position sensor harness connector.
3.Turn the ignition switch ON.

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





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK TRANSFER LOCK 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 lock position sensor harness connector.





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





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace error-detected parts.

3. CHECK TRANSFER LOCK POSITION SENSOR POWER SUPPLY (2)

1.Turn the ignition switch OFF.
2.Connect transfer lock position sensor harness connector.
3.Turn the ignition switch ON.

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





Is the inspection result normal?
YES- GO TO 6.
NO- Replace transfer lock position sensor. Refer to "Removal and Installation" Removal and Installation.

4. CHECK TRANSFER ROTARY POSITION SENSOR POWER SUPPLY (1)

1.Turn the ignition switch OFF.
2.Connect transfer control unit 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 6.
NO- GO TO 5.

5. 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 7.
NO- Repair or replace error-detected parts.

6. CHECK TRANSFER ROTARY POSITION SENSOR POWER SUPPLY (2)

1.Turn the ignition switch OFF.
2.Connect transfer lock 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 7.
NO- Replace transfer rotary position sensor. Refer to "Removal and Installation" Removal and Installation.

7. 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.