Diagnosis Procedure

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

CHECK COMBINATION METER INPUT SIGNAL

Turn ignition switch ON.

Check voltage between combination meter harness connector M24 terminal 28 and ground.

Combination meter			Condition	Voltage (Approx.)
Connector	Terminals
M24	28	Ground	When driver seat belt is fastened	Battery voltage
			When driver seat belt is unfastened	0 V

Is the inspection result normal?

YES

Replace combination meter. Refer to Removal and Installation .

GO TO 2 .

CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT

Turn ignition switch OFF.
Disconnect combination meter harness connector M24 and seat belt buckle switch LH harness connector B202.

Check continuity between combination meter harness connector M24 terminal 28 and seat belt buckle switch LH harness connector B202 terminal 1.

Combination meter		Seat belt buckle switch LH		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M24	28	B202	1	Yes

Check continuity between combination meter harness connector M24 terminal 28 and ground.

Combination meter		Ground	Continuity
Connector	Terminal
M24	28		No

Is the inspection result normal?

YES

GO TO 3 .

Repair or replace harness or connector.

CHECK SEAT BELT BUCKLE SWITCH LH GROUND CIRCUIT

Check harness continuity between seat belt buckle switch LH harness connector B202 terminal 2 and ground.

Seat belt buckle switch LH		Ground	Continuity
Connector	Terminal
B202	2		Yes

Is the inspection result normal?

YES

Inspection End.

Repair or replace harness or connector.