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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Wiring Diagrams And Basic Inspection) >> Ecu Diagnosis Information >> Fuel Pump Control Module (FPCM) >> 2WD >> Reference Value >> Physical Values
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Physical Values

Terminal No.
(Wire color)
Description Condition Value
(Approx.)
+ - Signal name Input/Output
2
(L)
9
(BR)
Fuel pump activation request signal Input Ignition switch: ON 12 V
Engine is running 0 V
3
(W)
- Drivetrain CAN-H Input/Output - -
4
(L)
- Drivetrain CAN-L Input/Output - -
5
(GR)
9
(BR)
Ignition signal Input Ignition switch: ON Battery voltage
6
(O)
- Sensor ground
(Fuel pressure sensor)
- - -
7
(V)
9
(BR)
Fuel pressure sensor signal Input Ignition switch: ON 2.5 V
Engine is running 2.3 V
8
(G)
9
(BR)
Sensor power supply
(Fuel pressure sensor)
Output Ignition switch: ON 5 V
9
(BR)
- FPCM ground - - -
10
(O/LG)
9
(BR)
Battery power supply Input Always Battery voltage
11
(BR/O)
- Fuel pump ground - - -
12
(O/L)
9
(BR)
Fuel pump control signal Output Ignition switch: ON 0 V
Engine is running (at idle)
GNSJSBIA5310GB-310Courtesy of NISSAN NORTH AMERICA, INC.

STARF : Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

* : Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to HOW TO HANDLE BATTERY .