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Home >> Infiniti >> 2019 >> QX60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (2 Of 6) >> System >> Fuel Pump Control Module (FPCM) >> System Description >> System Description

System Description

The fuel pump control module (FPCM) controls the discharging volume of the fuel pump by the FPCM control signals (Low/Mid/High) depending on driving conditions.

Conditions

Amount of fuel flow

Supplied voltage (Approx.)

For 1 second after turning ignition switch ON

Low/Mid

12.9 V
  • Engine cranking
  • Engine coolant temperature is below 10 deg.C (50 deg.F)
  • Engine is running under high load and high speed conditions

High

10.7 - 12.9 V

Except the above

Low/Mid

8.1 - 12.9 V
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