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Home › Infiniti › 2008 › M45 Base › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System (VK45DE) - DTCS P0460 Through P1421 › DTC P1220 Fuel Pump Control Module (FPCM) › Component Inspection › Fuel Pump Control Module

Fuel Pump Control Module

Fig 1: Identifying Fuel Pump Control Module (FPCM) Harness Connector
G05210921Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
    VOLTAGE REFERENCE

    Condition Voltage
    When engine cranking Approx. 0V
    After starting engine Approx. 5V
  4. If NG, replace fuel pump control module.
    Fig 2: Checking Voltage Between FPCM Terminal 4 And Ground
    G05210008Courtesy of NISSAN MOTOR CO., U.S.A.
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