Elantra GLS Wagon L4-2.0L (2000)
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