geo Workshop Repair Guides

Geo Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 1432 > < Diagram Information and Instructions|Page 1430
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Fuel Pump Relay: Description and Operation

Fuel Relay

The ECM controls "ON/OFF" operation of the fuel pump by turning it "ON" via the fuel pump relay under any of the following conditions:

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For 2 seconds after ignition switch "ON."

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While cranking engine (while engine start signal is received by the ECM).

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The crank angle sensor signal is received by the ECM. 

Diagram Information and Instructions|Page 1432 > < Diagram Information and Instructions|Page 1430