Power Supply and Ground Circuit Check

CHECK FUSES

Check for blown combination meter fuses.

FUSE SPECIFICATION CHART

Unit	Power source	Fuse No.
Combination meter	Battery	19
	Ignition switch (ON)	14
	Ignition switch (ACC)	6

OK or NG

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

CHECK POWER SUPPLY CIRCUIT

Disconnect combination meter connector.
Check voltage between combination meter and ground.

TERMINAL CHART

Terminals			Ignition switch position
(+)		(-)	OFF	ACC	ON
Connector	Terminal (Wire color)	(-)	OFF	ACC	ON
M20	40 (LG)	Ground	0V	Battery voltage	Battery voltage
	41 (G/Y)		0V	0V	Battery voltage
	42 (G/Y)		0V	0V	Battery Voltage
	43 (R/W)		Battery voltage	Battery voltage	Battery voltage

Fig 1: Checking Voltage Between Combination Meter And Ground

G03328150

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

OK or NG

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

CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between combination meter harness connector M20 terminals 45 (B), 47 (B) and ground.
Continuity should exist.

Fig 2: Checking Continuity Between Combination Meter Harness Connector M20 Terminals 45 (B), 47 (B) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: INSPECTION END
2. NG: Repair ground harness.