Power Supply and Ground Circuit Inspection

CHECK FUSE

Check for blown combination meter fuses.

BATTERY VOLTAGE SPECIFICATION

Power source	Fuse No.
Battery power supply	19
ACC power supply	6
Ignition power supply	14

OK or NG

OK : GO TO 2.

NG : Be sure to eliminate cause of malfunction before installing new fuse. Refer to "POWER SUPPLY ROUTING CIRCUIT ".

CHECK POWER SUPPLY CIRCUIT

Check voltage between combination meter harness connector M20 terminals 4, 7, 8 and ground.

BATTERY VOLTAGE SPECIFICATION

Terminals			Ignition switch position
(+)		(-)	OFF	ACC	ON
Connector	Terminal	(-)	OFF	ACC	ON
M20	4	Ground	0 V	Battery voltage	Battery voltage
	7		0 V	0 V	Battery voltage
	8		Battery voltage	Battery voltage	Battery voltage

Fig 1: Identifying Voltage Between Combination Meter Harness Connector M20 Terminals And Ground

G04078445

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

OK or NG

OK : GO TO 3.

NG : Check harness between combination meter and fuse.

CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector.
3. Check continuity between combination meter harness connector M20 terminals 5, 6, 15 and ground.
  5 - Ground
  
  6 - Ground : Continuity should exist.
  
  15 - Ground
  
  Fig 2: Identifying Continuity Between Combination Meter Harness Connector M20 Terminals And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : INSPECTION END

NG : Repair harness or connector.