Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HAZARD SWITCH SIGNAL INPUT

Turn ignition switch OFF.
Disconnect hazard switch connector M47.
Check voltage between hazard switch harness connector M47 and ground.

(+)		(-)	Voltage (Approx.)
Hazard switch
Connector	Terminal
M47	2	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 4 .

GO TO 2 .

CHECK HAZARD SWITCH SIGNAL CIRCUIT (OPEN)

Disconnect BCM connector.
Check continuity between hazard switch harness connector M47 and BCM harness connector M18.

Hazard switch		BCM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M47	2	M18	36	Yes

Is the inspection result normal?

YES

GO TO 3 .

Repair or replace the harness or connector.

CHECK HAZARD SWITCH SIGNAL CIRCUIT (SHORT)

Check continuity between hazard switch harness connector M47 and ground.

Hazard switch		Ground	Continuity
Connector	Terminal
M45	2		No

Is the inspection result normal?

YES

Replace BCM. Refer to Removal and Installation .

Repair or replace the harness or connector.

CHECK HAZARD SWITCH GROUND CIRCUIT

Check continuity between hazard switch harness connector M47 and ground.

Hazard switch		Ground	Continuity
Connector	Terminal
M47	3		Yes

Is the inspection result normal?

YES

Replace hazard switch. Refer to Removal and Installation .

Repair or replace the harness or connector.