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Home >> BMW >> 2012 >> X1 >> Repair and Diagnosis >> External Pages >> Different car >> Section 845 (Functional Descriptions - F25 - Cooling System, Engine Performance) >> Engine Performance - Functional Description >> Fuel pump control module >> Structure and inner electrical connection

Structure and inner electrical connection

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The fuel pump control module receives the crash message from the Crash Safety Module (ACSM). The fuel pump control module on the Body Domain Controller (BDC) is connected via the wake-up line.

The fuel pump control module is supplied from the front power distribution box with terminal 30B.

Fig 1: Fuel Pump Control Module - Circuit Diagram
G09908960Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Fuel pump control module
PIN REFERENCE

Pin Explanation
PWM Pulse-width modulated signal
Kl. 15 WUP Wake-up line
Crash Crash message
Terminal 31L Terminal 31, load earth
Terminal 30B Terminal 30, voltage supply
U Phase U
V Phase V
W Phase W