Diagnosis Procedure
- CHECK TRANSFER ROTARY POSITION SENSOR SIGNAL
CONSULT
- Turn the ignition switch ON.
- Check the voltage between transfer control unit harness connector and ground.
+
-
Voltage
Transfer control unit
Connector
Terminal
E142
15
Ground
- 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
Replace transfer control unit. Refer to Removal and Installation .
NO
GO TO 2 .
- 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 terminals.
+
"
Voltage
(Approx.)
Transfer rotary position sensor
Connector
Terminal
F219 (Cummins 5.0L)
2
3
5 V
F18 (VK56VD)
Is the inspection result normal?
YES
GO TO 4 .
NO
GO TO 3 .
- CHECK TRANSFER ROTARY POSITION SENSOR 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.
Transfer control unit
Transfer rotary position sensor
Continuity
Connector
Terminal
Connector
Terminal
E142
5
F219 (Cummins 5.0L)
2
Yes
6
3
5
F18 (VK56VD)
2
6
3
- Check the continuity between transfer rotary position sensor harness connector and ground.
Transfer rotary position sensor
-
Continuity
Connector
Terminal
F219 (Cummins 5.0L)
2
Ground
No
3
F18 (VK56VD)
2
3
Is the inspection result normal?
YES
Replace transfer rotary position sensor. Refer to Removal and Installation .
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.
Transfer control unit
Transfer rotary position sensor
Continuity
Connector
Terminal
Connector
Terminal
E142
15
F219 (Cummins 5.0L)
1
Yes
F18 (VK56VD)
- Check the continuity between transfer rotary position sensor harness connector and ground.
Transfer rotary position sensor
-
Continuity
Connector
Terminal
F219 (Cummins 5.0L)
1
Ground
No
F18 (VK56VD)
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace error-detected parts.