Power Supply and Ground Circuit Inspection

WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSES

Check for blown combination meter fuses.

FUSES

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

Refer to , "WIRING DIAGRAM - METER - ".

OK 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 M23.

Check voltage between combination meter harness connector terminals and ground.

POWER SUPPLY CIRCUIT

Terminals			Ignition switch position
(+)		(-)	OFF	ACC	ON
Connector	Terminal	(-)	OFF	ACC	ON
M23	31	Ground	Battery voltage	Battery voltage	Battery voltage
M23	30	Ground	0V	0V	Battery voltage

Fig 1: Checking Voltage Between Combination Meter Harness Connector Terminals And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 3.

NG: Check the harness for open between combination meter and fuse.

CHECK GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between combination meter harness connector terminals and ground.

GROUND CIRCUIT

Terminals			Continuity
(+)		(-)
Connector	Terminal	(-)
M23	32	Ground	Yes

Fig 2: Checking Continuity Between Combination Meter Harness Connector Terminals And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Inspection End.

NG: Repair harness or connector.