Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

CHECK THE MOTOR CIRCUIT

Turn the ignition switch OFF.
Disconnect steering angle sub control module and steering angle sub motor harness connector.

Check the continuity between control module harness connector and motor harness connector.

Steering angle sub control module		Steering angle sub motor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E99	35	E90	1	Existed
	36		3
	37		2

Check the continuity between control module harness connector and ground.

Steering angle sub control module		-	Continuity
Connector	Terminal	-	Continuity
E99	35	Ground	Not existed
	36
	37

Is the inspection result normal?

YES

GO TO STEP 2 .

Repair or replace error - detected part.

CHECK INTERMITTENT INCIDENT
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 sub control module. Refer to REMOVAL AND INSTALLATION .

NO

Repair or replace error - detected part.