DTC Diagnosis Procedure
- CHECK TEMPERATURE SENSOR POWER SUPPLY (1)
- Turn the ignition switch OFF.
- Disconnect force motor angle sensor harness connector.
- Turn the ignition switch ON.
- Check the voltage between force motor angle sensor harness connector terminals.
Force motor angle sensor
Voltage
Connector
Terminal
+
-
M73
3
7
Approx. 5 V
Is the inspection result normal?
YES
GO TO 6.
NO
GO TO 2.
- CHECK TEMPERATURE SENSOR POWER SUPPLY (2)
Check the voltage between force motor angle sensor harness connector terminals.
Force motor angle sensor
Voltage
Connector
Terminal
+
--
M73
3
Ground
Approx. 5 V
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 4.
- CHECK TEMPERATURE SENSOR GROUND CIRCUIT
- Turn the ignition switch OFF.
- Disconnect steering force control module harness connector.
- Check the continuity between steering force control module harness connector and force motor angle sensor harness connector.
Steering force control module
Force motor angle sensor
Continuity
Connector
Terminal
Connector
Terminal
M71
29
M73
7
Existed
Is the inspection result normal?
YES
GO TO 7.
NO
Repair open circuit or short to ground or short to power in harness or connectors.
- CHECK TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
- Turn the ignition switch OFF.
- Disconnect steering force control module harness connector.
- Check the continuity between steering force control module harness connector and force motor angle sensor harness connector.
Steering force control module
Force motor angle sensor
Continuity
Connector
Terminal
Connector
Terminal
M71
31
M73
3
Existed
- Check the continuity between steering force control module harness connector and ground.
Steering force control module
--
Continuity
Connector
Terminal
M71
31
Ground
Not existed
Is the inspection result normal?
YES
GO TO 5.
NO
Repair open circuit or short to ground or short to power in harness or connectors.
- CHECK CONTROL MODULE POWER SUPPLY CIRCUIT
Check the power supply circuit for steering force control module. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 7.
NO
Repair or replace error-detected part.
- CHECK TEMPERATURE SENSOR
Check the force motor temperature sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 7.
NO
Force motor temperature sensor is malfunction. Replace steering column assembly. Refer to STEERING COLUMN : Removal & Installation .
- CHECK INTERMITTENT INCIDENT
- Check enlarged contact spring of terminal. Refer to Inspection .
- Perform intermittent incident while turning steering wheel. Refer to Inspection .
Is the inspection result normal?
YES
Replace steering force control module. Refer to STEERING FORCE CONTROL MODULE : Removal & Installation .
NO
Repair or replace error-detected part.