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Home >> Mini >> 2012 >> Cooper Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Engine Controls - System/Component Tests) >> Fuel System >> Fuel Delivery >> Fuel Pump Relay
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Fuel Pump Relay

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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 WIRING DIAGRAMS article in ENGINE PERFORMANCE. Only sockets No. 2, 4, 6 and 8 are used by relay.
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