Diagnosis Procedure

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

   Steering angle sub control module		--	Continuity
   Connector	Terminal
   E30	33	Ground	Existed
   E31	39

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.

   Steering angle sub control module		--	Continuity
   Connector	Terminal
   E30	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 100A fusible link (#H).
3. Check the harness for open or short between steering angle sub control module harness connector No. 34 terminal and the 100A fusible link (#H).

Is the inspection result normal?

YES

Perform the trouble diagnosis for 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 How to Check Terminal .
3. Perform intermittent incident while turning steering wheel. Refer to Intermittent Incident .

Is the inspection result normal?

YES

Replace steering angle sub control module. Refer to Removal and Installation .

NO

Repair or replace error-detected part.