DTC Diagnosis Procedure

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

NO

GO TO 2.

1. Check the 60 A fusible link (No. G). (With pre-crash seat belt system)
2. Check the 60 A fusible link (No. I). (Without pre-crash seat belt system)
3. 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)
4. 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. Disconnect steering angle sub control module harness connector.
3. Check the voltage between steering angle sub control module harness connector and ground.

   +		--	Voltage
   Steering angle sub control module
   Connector	Terminal
   E30	34	Ground	10.5 - 16.0 V

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 4.

1. Check the 100 A fusible link (No. H). (With pre-crash seat belt system)
2. Check the 100 A fusible link (No. K). (Without pre-crash seat belt system)
3. Check the harness for open or short between steering angle sub control module harness connector No. 34 terminal and the 100 A fusible link (No. H). (With pre-crash seat belt system)
4. Check the harness for open or short between steering angle sub control module harness connector No. 34 terminal and the 100 A fusible link (No. K). (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.

With CONSULT

1. Turn the ignition switch ON.
2. Erase self-diagnosis for "DAST 1".
3. Turn the ignition switch OFF and wait for at least 10 seconds.
4. Start the engine.
   CAUTION: Never drive the vehicle.
5. Perform self-diagnosis for "DAST 1".

Is DTC "C13AC-00" detected?

YES

Replace steering angle main control module. Refer to STEERING ANGLE MAIN CONTROL MODULE : Removal & Installation .

NO

• Check enlarged contact spring of terminal. Refer to Inspection .
• Perform intermittent incident while turning steering wheel. Refer to Inspection .