WARNING: This page is about a different car, the 2010 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUEL PUMP CONTROL MODULE (FPCM) FUNCTION

With CONSULT-III

Turn ignition switch ON.
Select "FPCM" in "DATA MONITOR" mode with CONSULT-III.

Check "FPCM" indication under the following conditions.

MONITOR ITEM CONDITION CHART

Monitor item	Condition	Indication
FPCM	Engine: Cranking	HI
FPCM	Engine: Idle Engine coolant temperature: More than 10 °C (50 °F)	LOW

Without CONSULT-III

Turn ignition switch ON.

Check the voltage between ECM harness connector terminal as per the following.

Fig 1: Checking Voltage Between ECM Harness Connector Terminals

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

CONNECTOR TERMINAL VOLTAGE CHART

ECM				Condition	Voltage (V)
+		-
Connector	Terminal	Connector	Terminal
F105	14	M9	128	Engine: Cranking	0 - 0.5
	32			Engine: Cranking	0 - 0.5
	14			Engine: Idle Engine coolant temperature: More than 10 °C (50 °F)	Approx. 0
	32				Approx. 0

Is the inspection result normal?

YES: INSPECTION END

NO: Go to "DIAGNOSIS PROCEDURE ".

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Component Function Check

Use the Manual With the Right Hardware

When to See a Mechanic