Power Supply and Ground Circuit Inspection

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

CHECK FUSES

Check for blown combination meter fuses.

POWER SOURCE AND FUSE DESCRIPTION

Unit	Power source	Fuse No.
Combination meter	Battery	19
	Ignition switch ON or START	14
	Ignition switch ACC or ON	4

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.

Check voltage between combination meter harness connector terminals and ground.

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

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

VOLTAGE BETWEEN COMBINATION METER HARNESS CONNECTOR TERMINALS AND GROUND REFERENCE

Terminals			Ignition switch position
(+)		(-)	OFF	ACC	ON
Connector	Terminal (Wire color)	(-)	OFF	ACC	ON
M24	1 (O)	Ground	0V	Battery voltage	Battery voltage
	8 (Y/R)		Battery voltage	Battery voltage	Battery voltage
	24 (O/L)		0V	0V	Battery voltage

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 terminal and ground.

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

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

CONTINUITY BETWEEN COMBINATION METER HARNESS CONNECTOR TERMINAL AND GROUND REFERENCE

Terminals			Continuity
(+)		(-)
Connector	Terminal (Wire color)	(-)
M24	17 (B)	Ground	Yes

OK or NG

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