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Main Relay (Computer/Fuel System)|Description and Operation|Page 2594 > < Main Relay (Computer/Fuel System)|Description and Operation
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Main Relay (Computer/Fuel System): Testing and Inspection

MFI CONTROL RELAY

When the ignition switch is on, battery power is supplied to the ECM, the injector, the mass air flow sensor, etc. When the ignition switch is turned on,
current flows from the ignition switch through the current relay coil to ground.

Circuit Diagram

Main Relay (Computer/Fuel System)|Description and Operation|Page 2594 > < Main Relay (Computer/Fuel System)|Description and Operation