DTC Diagnosis Procedure
- CHECK TRANSFER HI-LO POSITION SENSOR SIGNAL
- Turn the ignition switch ON.CAUTION: Never start the engine.
- Check the voltage between transfer control unit harness connector and ground.
+
-
Condition
Voltage
Transfer control unit
Connector
Terminal
E59
6
Ground
4WD mode: AUTO or 4H
Approx. 0 V
4WD mode: 4L
Approx. 5 V
25
4WD mode: AUTO or 4H
Approx. 0 V
4WD mode: 4L
Approx. 5 V
CAUTION: After operating 4WD shift switch, move the vehicle back and forth to check voltage.Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 2.
- Turn the ignition switch ON.
- CHECK TRANSFER HI-LO POSITION SENSOR POWER SUPPLY
- Turn the ignition switch OFF.
- Disconnect transfer Hi-Lo position sensor harness connector.
- Turn the ignition switch ON.CAUTION: Never start the engine.
- Check the voltage between transfer Hi-Lo position sensor harness connector terminals.
+
-
Voltage
Transfer Hi-Lo position sensor
Connector
Terminal
F42
1
Ground
Approx. 5 V
2
Is the inspection result normal?
YES
GO TO 4.
NO
GO TO 3.
- CHECK TRANSFER HI-LO 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 Hi-Lo position sensor harness connector.
Transfer control unit
Transfer Hi-Lo position sensor
Continuity
Connector
Terminal
Connector
Terminal
E59
6
F42
1
Existed
25
2
29
3
- Check the continuity between transfer Hi-Lo position sensor harness connector and ground.
Transfer Hi-Lo position sensor
--
Continuity
Connector
Terminal
F42
1
Ground
Not existed
2
3
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace error-detected parts.
- REPLACE TRANSFER HI-LO POSITION SENSOR
- Replace transfer Hi-Lo position sensor. Refer to TRANSFER HI-LO POSITION SENSOR : Removal & Installation .
- Perform confirmation procedure again. Refer to DTC Description .
Is DTC "P182A" detected?
YES
GO TO 5.
NO
INSPECTION END
- 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 TRANSFER CONTROL UNIT : Removal & Installation .
NO
Repair or replace error-detected parts.