Diagnosis Procedure

Check the main motor angle sensor. Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 2.

NO

Main motor angle sensor is malfunction. Replace steering gear assembly. Refer to Removal and Installation .

1. Disconnect steering angle main control module and main motor angle sensor harness connector.
2. Check the continuity between control module harness connector and angle sensor harness connector.

   Steering angle main control module		Main motor angle sensor		Continuity
   Connector	Terminal	Connector	Terminal
   E149	10	E232	3	Yes
   	11		6
   	6		1
   	5		5
   	4		2
   	2		4

3. Check the continuity between control module harness connector and ground.

   Steering angle main control module		--	Continuity
   Connector	Terminal
   E149	10	Ground	No
   	11
   	6
   	5
   	4
   	2

Is the inspection result normal?

YES

GO TO 3.

NO

Repair or replace malfunctioning component.

1. Check enlarged contact spring of terminal. Refer to How to Check Terminal .
2. Perform intermittent incident while turning steering wheel. Refer to Intermittent Incident .

Is the inspection result normal?

YES

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

NO

Repair or replace malfunctioning component.