LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mini >> 2010 >> Cooper Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Controls - System & Component Testing) >> Fuel System >> Fuel Delivery >> Fuel Pump Relay
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump Relay

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 1999 BMW Z3, 1999 BMW M3, 1999 BMW M Roadster, 1999 BMW M Coupe, and 1999 BMW 740iL. However, it is still accessible from the selected car via links, so may be relevant.

Remove fuel pump relay. Apply battery voltage to relay terminals No. 30 and 86. See Figure. Ground relay terminal No. 85. Voltage should now exist at relay terminal No. 87. Replace relay if it does not work as indicated.

NOTE: If relay does not work on vehicle, check battery feed, DME master (main) relay, DME/Motronic control unit and ground circuits going to fuel pump relay. See appropriate wiring diagram in WIRING DIAGRAMS article. Only sockets No. 2, 4, 6 and 8 are used by relay.
scientia non olet · About LEMON Manuals