DTC Diagnosis Procedure

1. Turn the ignition switch OFF.
2. Disconnect steering force control module harness connector.
3. Check the continuity between control module harness connector and ground.

   Steering force control module		--	Continuity
   Connector	Terminal
   M72	33	Ground	Existed

Is the inspection result normal?

YES

GO TO 2.

NO

Repair open circuit or short to ground or short to power in harness or connectors.

1. Turn the ignition switch ON.
2. Check the voltage between control module harness connector and ground.

   +		--	Voltage
   Steering force control module
   Connector	Terminal
   M72	34	Ground	10.5 - 16.0 V

Is the inspection result normal?

YES

GO TO 4.

NO

GO TO 3.

1. Turn the ignition switch OFF.
2. Check the 60 A fusible link (No. G). (With pre-crash seat belt system)
3. Check the 60 A fusible link (No. I). (Without pre-crash seat belt system)
4. Check the harness for open or short between steering force control module harness connector No. 34 terminal and the 60 A fusible link (No. G). (With pre-crash seat belt system)
5. Check the harness for open or short between steering angle sub control module harness connector No. 34 terminal and the 60 A fusible link (No. I). (Without pre-crash seat belt system)

Is the inspection result normal?

YES

Perform the trouble diagnosis for 12 V battery power supply circuit.

NO

Repair or replace error-detected parts.

1. Turn the ignition switch OFF.
2. Check enlarged contact spring of terminal. Refer to Inspection .
3. 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.