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Fuel Pump: Wiring Diagram

For PG, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .

Fig 1: Wiring Diagram - EC-F/Pump-01
G04925630Courtesy of NISSAN MOTOR CO., U.S.A.

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

CAUTION: Do not 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.
TERMINAL ITEM CONDITION CHART

TERMINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage)
23 B/O Fuel pump relay [Ignition switch: ON] 
  • For 1 second after turning ignition switch ON

[Engine is running] 
0 - 1.0V
[Ignition switch: ON] 
  • More than 1 second after turning ignition switch ON
BATTERY VOLTAGE (11 - 14V)