Diagnosis Procedure
- CHECK TRANSFER ROTARY POSITION SENSOR POWER SUPPLY
- Turn the ignition switch OFF.
- Disconnect transfer rotary position sensor harness connector.
- Turn the ignition switch ON.CAUTION: Never start the engine.
- Check the voltage between transfer rotary position sensor harness connector and ground.
+
-
Voltage
(Approx.)
Transfer rotary position sensor
Connector
Terminal
F219 (Cummins 5.0L)
2
Ground
5 V
F18 (VK56VD)
Is the inspection result normal?
YES
GO TO 3 .
NO
GO TO 2 .
- CHECK TRANSFER ROTARY POSITION SENSOR POWER SUPPLY CIRCUIT
- Turn the ignition switch OFF.
- Disconnect transfer control unit harness connector.
- Check the continuity between transfer control unit harness connector and transfer rotary position sensor harness connector.
+
Continuity
Transfer control unit
Transfer rotary position sensor
Connector
Terminal
Connector
Terminal
E142
5
F219 (Cummins 5.0L)
2
Yes
F18 (VK56VD)
- Check harness for short to ground and short to power.
Is the inspection result normal?
YES
Perform trouble diagnosis for transfer control unit power supply circuit. Refer to Diagnosis Procedure .
NO
Repair or replace error-detected parts.
- CHECK TRANSFER ROTARY POSITION SENSOR SIGNAL CIRCUIT
- Turn the ignition switch OFF.
- Disconnect transfer control unit harness connector.
- Check the continuity between transfer control unit harness connector and transfer rotary position sensor harness connector.
+
-
Continuity
Transfer control unit
Transfer rotary position sensor
Connector
Terminal
Connector
Terminal
E142
6
F219 (Cummins 5.0L)
3
Yes
15
1
6
F18 (VK56VD)
3
15
1
- Check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 4 .
NO
Repair or replace error-detected parts.
- CHECK TRANSFER ROTARY POSITION SENSOR SIGNAL
CONSULT
- Reconnect all harness connectors disconnected.
- Turn ignition switch ON.
- Select "ALL MODE AWD/4WD" >> "Data Monitor" >> "ROTARY POSITION SENSOR".
Is the indicated value "100%"?
YES
GO TO 5 .
NO
GO TO 7 .
- CHECK RANGE SENSOR STATUS
- Turn ignition switch ON.
- Select "ALL MODE AWD/4WD" >> "Data Monitor" >> "RANGE SENSOR 1" and "RANGE SENSOR 2".
- Check the value of "RANGE SENSOR 1" and "RANGE SENSOR 2".
Do "RANGE SENSOR 1" and "RANGE SENSOR 2" display "ON"?
YES
GO TO 6 .
NO
GO TO 7 .
- CHECK ACTUATOR SHAFT ACTUATION
- Turn ignition switch OFF.
- Remove transfer motor. Refer to Removal and Installation .
- Connect transfer motor connector.
- Turn ignition switch ON.
- Select "ALL MODE AWD/4WD" >> "Data Monitor" >> "ROTARY POSITION SENSOR".
- Rotate the actuator shaft clockwise until status below.
ROTARY POSITION SENSOR
: 75%- 85%
- Turn ignition switch OFF.
- Install transfer motor.NOTE: When installing transfer motor, if there is misalignment between transfer motor axis and actuator shaft, rotate the transfer motor axis by hand.
- Start the engine.
- Select "ALL MODE AWD/4WD" >> "DATA MONITOR" >> "ROTARY POSITION SENSOR".
- Check that the "ROTARY POSITION SENSOR" value.
Monitor Item
Condition
Value
ROTARY POSITION SENSOR
4WD mode: 2WD
11 - 14%
4WD mode: 4H
34 - 44%
4WD mode: 4LO
75 - 85%
Is the inspection result normal?
YES
Inspection End.
NO
GO TO 7 .
- REPLACE TRANSFER ROTARY POSITION SENSOR
Replace transfer rotary position sensor. Refer to Removal and Installation .
Inspection End.