Power Supply and Ground Circuit Inspection

WARNING: This page is about a different car, the 2005 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSES

Check for blown combination meter fuses.

COMBINATION METER FUSES REFERENCE

Unit	Power source	Fuse No.
Combination meter	Battery	19
Combination meter	Ignition switch ON or START	14

Refer to "WIRING DIAGRAM - METER - ".

OR or NG

OK: GO TO 2.
NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".

CHECK POWER SUPPLY CIRCUIT

Disconnect combination meter connector.

Check voltage between combination meter harness connector terminals and ground.

IGNITION SWITCH POSITION CHART

Terminals			Ignition switch position
(+)		(-)	OFF	ACC	ON
Connector	Terminal	(-)	OFF	ACC	ON
M24	3	Ground	Battery voltage	Battery voltage	Battery voltage
M24	16	Ground	0V	0V	Battery voltage

OK or NG

OK: GO TO 3.
NG: Check the harness for open between combination meter and fuse.

Fig 1: Identifying Voltage Between Combination Meter Harness Connector Terminals And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK GROUND CIRCUIT

Turn ignition switch off.

Check continuity between combination meter harness connector terminals and ground.

CONTINUITY CHECK

Terminals			Continuity
(+)		(-)
Connector	Terminal	(-)
M24	13	Ground	Yes
M24	23	Ground	Yes

OK or NG

OK: Inspection End.
NG: Repair harness or connector.

Fig 2: Checking Continuity Between Combination Meter Harness Connector Terminals And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.