Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System >> DTC P1220: Fuel Pump Control Module (FPCM) >> Component Inspection >> Fuel Pump Control Module

Fuel Pump Control Module

Download the full database via torrent (~1.1 TB)
  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Check voltage between FPCM terminal 4 and ground under the following conditions.
    Fig 1: Testing Conditions
    G00761088Courtesy of NISSAN MOTOR CO., U.S.A.
  4. If NG, replace fuel pump control module.
    Fig 2: Checking Voltage Between FPCM Terminal 4 & Ground
    G00761089Courtesy of NISSAN MOTOR CO., U.S.A.