DTC Diagnosis Procedure

1. 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 malfunctioning. Replace steering gear assembly. Refer to Removal and Installation .

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