Diagnosis Procedure

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 TILT SWITCH SIGNAL

Turn ignition switch OFF.
Disconnect tilt & telescopic switch connector.
Turn ignition switch ON.
Check voltage between tilt & telescopic switch harness connector and ground.

(+)		(-)	Voltage (V)
Tilt & telescopic switch
Connector	Terminals
M121	4	Ground	4 - 6
M121	5	Ground	4 - 6

Is the inspection result normal?

YES

GO TO STEP 3 .

GO TO STEP 2 .

CHECK TILT SWITCH CIRCUIT

Turn ignition switch OFF.
Disconnect automatic drive positioner control unit connector.

Check continuity between automatic drive positioner control unit harness connector and tilt & telescopic switch harness connector.

Automatic drive positioner control unit		Tilt & telescopic switch		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M43	1	M121	4	Existed
M43	13	M121	5	Existed

Check continuity between automatic drive positioner control unit harness connector and ground.

Automatic drive positioner control unit		Ground	Continuity
Connector	Terminal
M43	1		Not existed
	13

Is the inspection result normal?

YES

Replace automatic drive positioner control unit. Refer to REMOVAL AND INSTALLATION .

Repair or replace harness or connector.

CHECK TILT SWITCH

Refer to COMPONENT INSPECTION .

Is the inspection result normal?

YES

GO TO STEP 4 .

NO

Replace tilt & telescopic switch. Refer to REMOVAL AND INSTALLATION .

CHECK INTERMITTENT INCIDENT

Refer to INTERMITTENT INCIDENT .

INSPECTION END