DTC Diagnosis Procedure

With CONSULT

1. Start the engine.
2. Turn the 4WD shift switch AUTO → 4H → 4L → 4H → AUTO.
3. Check "LOCK POSI SEN" of CONSULT "DATA MONITOR" for "ALL MODE AWD/4WD".

   Monitor item	Condition		Status
   LOCK POSI SEN	4WD shift switch: AUTO or 4H		OPEN
   	4WD shift switch: 4L		LOCK
   	When transfer lock position sensor is unlearned.		UNLEAN
   	When the temperature of transfer lock position sensor is high.		HI TEMP
   	When transfer lock position sensor is malfunctioning.		ERROR
   	When transfer lock position sensor signal circuit is short. (Battery short)		BAT
   	When transfer lock position sensor signal circuit is short. (Ground short)		GND

What is the item on "DATA MONITOR"?

OPEN

GO TO 7.

LOCK

GO TO 7.

UNLEAN

GO TO 6.

HI TEMP

GO TO 5.

ERROR

GO TO 5.

BAT

GO TO 2.

GND

GO TO 2.

1. Turn the ignition switch OFF.
2. Disconnect transfer position sensor harness connector.
3. Turn the ignition switch ON.
   CAUTION: Never start the engine.
4. Check the voltage between transfer position sensor harness connector terminals.

   +		-	Voltage
   Transfer lock position sensor
   Connector	Terminal
   F40	1	2	Approx. 5 V

Is the inspection result normal?

YES

GO TO 4.

NO

GO TO 3.

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.

   Transfer control unit		Transfer lock position sensor		Continuity
   Connector	Terminal	Connector	Terminal
   E59	17	F40	1	Existed
   	30		2

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

   Transfer lock position sensor		-	Continuity
   Connector	Terminal
   F40	1	Ground	Not existed

Is the inspection result normal?

YES

GO TO 7.

NO

Repair or replace error-detected parts.

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.

   Transfer control unit		Transfer lock position sensor		Continuity
   Connector	Terminal	Connector	Terminal
   E59	38	F40	3	Existed

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

   Transfer lock position sensor		-	Continuity
   Connector	Terminal
   F40	3	Ground	Not existed

Is the inspection result normal?

YES

GO TO 5.

NO

Repair or replace error-detected parts.

1. Replace transfer lock position sensor. Refer to TRANSFER LOCK POSITION SENSOR : Removal & Installation .
2. Perform confirmation procedure again. Refer to DTC Description .

Is the inspection result normal?

YES

INSPECTION END

NO

GO TO 7.

Transfer lock position sensor. Refer to Work Procedure .

GO TO 7.

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 TRANSFER CONTROL UNIT : Removal & Installation .

NO

Repair or replace error-detected parts.