Fuel Pump Control Module

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Start engine and warm it up to normal operating temperature.
Turn ignition switch OFF and wait at least 10 seconds.
Check voltage between FPCM terminal 4 and ground under the following conditions.

Fig 1: Testing Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace fuel pump control module.

Fig 2: Checking Voltage Between FPCM Terminal 4 & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.