Transfer Case (DTC/Circuit Diagnosis)

1. Turn the ignition switch OFF.
2. Disconnect AWD control unit harness connector.
3. Check the voltage between AWD control unit harness connector and ground.

   AWD control unit		--	Voltage (Approx.)
   Connector	Terminal
   B67	7	Ground	0 V

4. Turn the ignition switch ON.
   CAUTION: Never start the engine.
5. Check the voltage between AWD control unit harness connector and ground.

   AWD control unit		--	Voltage
   Connector	Terminal
   B67	7	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

NO

GO TO 2.

1. Turn the ignition switch OFF.
2. Check the 10 A fuse (No. 49).
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between AWD control unit harness connector and IPDM E/R harness connector.

   AWD control unit		IPDM E/R		Continuity
   Connector	Terminal	Connector	Terminal
   B67	7	E119	19	Yes

5. Check the continuity between AWD control unit harness connector and the ground.

   AWD control unit		--	Continuity
   Connector	Terminal
   B67	7	Ground	No

Is the inspection result normal?

YES

Perform the trouble diagnosis for ignition power supply circuit. Refer to appropriate system Wiring Diagram.

NO

Repair or replace error-detected parts.

1. Turn the ignition switch OFF.
2. Check the voltage between AWD control unit harness connector and ground.

   AWD control unit		--	Voltage
   Connector	Terminal
   B67	15	Ground	Battery voltage

3. Turn the ignition switch ON.
   CAUTION: Never start the engine.
4. Check the voltage between AWD control unit harness connector and ground.

   AWD control unit		--	Voltage
   Connector	Terminal
   B67	15	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 4.

1. Turn the ignition switch OFF.
2. Check the 10 A fuse (No. 25).
3. Disconnect fuse block (J/B) harness connector.
4. Check the continuity between AWD control unit harness connector and fuse block (J/B) harness connector.

   AWD control unit		Fuse block (J/B)		Continuity
   Connector	Terminal	Connector	Terminal
   B67	15	M3	2N	Yes

5. Check the continuity between AWD control unit harness connector and the ground.

   AWD control unit		--	Continuity
   Connector	Terminal
   B67	15	Ground	No

Is the inspection result normal?

YES

Perform the trouble diagnosis for power supply circuit. Refer to appropriate system Wiring Diagram.

NO

Repair or replace error-detected parts.

1. Turn the ignition switch OFF.
2. Disconnect AWD solenoid harness connector.
3. Check the voltage between AWD control unit harness connector and ground.

   AWD control unit		--	Voltage
   Connector	Terminal
   B67	9	Ground	Battery voltage

4. Turn the ignition switch ON.
   CAUTION: Never start the engine.
5. Check the voltage between AWD control unit harness connector and ground.

   AWD control unit		--	Voltage
   Connector	Terminal
   B67	9	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 7.

NO

GO TO 6.

1. Turn the ignition switch OFF.
2. Check the 10 A fuse (No. 62)
3. Check the harness for open or short between AWD control unit harness connector No. 9 terminal and 10 A fuse (No. 62).

Is the inspection result normal?

YES

Perform the trouble diagnosis for power supply circuit. Refer to appropriate system Wiring Diagram.

NO

Repair or replace error-detected parts.

1. Turn the ignition switch OFF.
2. Check the continuity between AWD control unit harness connector and ground.

   AWD control unit		--	Continuity
   Connector	Terminal
   B67	10	Ground	Yes
   	11

Is the inspection result normal?

YES

Inspection End.

NO

Repair or replace error-detected parts.