Fuel Pump: Wiring Diagram

NOTE: For PG-Power, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .

Fig 1: Wiring Diagram - EC-F/PUMP-01

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

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Never use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

CONNECTOR TERMINALS REFERENCE CHART

TERMINAL NO.	WIRE COLOR	ITEM	CONDITION	DATA (DC Voltage)
38	G/B	Fuel pump control module (FPCM) check	[When cranking engine]	Approximately 0 V
38	G/B	Fuel pump control module (FPCM) check	[Engine is running] Warm-up condition Idle speed	4 - 6 V
39	B/R	Fuel pump control module (FPCM)	[When cranking engine]	0 - 0.5 V
39	B/R	Fuel pump control module (FPCM)	[Engine is running] Warm-up condition Idle speed	8 - 12 V
113	GR	Fuel pump relay	[Ignition switch: ON] For 1 second after turning ignition switch ON [Engine is running]	0 - 1.5 V
113	GR	Fuel pump relay	[Ignition switch: ON] More than 1 second after turning ignition switch ON	BATTERY VOLTAGE (11 - 14 V)

Fig 1: Wiring Diagram - EC-ICCBOF-01

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

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Never use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

CONNECTOR TERMINALS REFERENCE CHART

TERMINAL NO.	WIRE COLOR	ITEM	CONDITION	DATA (DC Voltage)
101	V/R	Stop lamp switch	[Ignition switch: OFF] Brake pedal: Fully released	Approximately 0 V
101	V/R	Stop lamp switch	[Ignition switch: OFF] Brake pedal: Slightly depressed	BATTERY VOLTAGE (11 - 14 V)
108	BR	ICC brake switch	[Ignition switch: ON] Brake pedal: Slightly depressed	Approximately 0 V
108	BR	ICC brake switch	[Ignition switch: ON] Brake pedal: Fully released	BATTERY VOLTAGE (11 - 14 V)