D21 Hardbody 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1991)
ECCS (Engine Management) Relay: Description and Operation
The ECCS/EFI relay (GREEN), located in the relay box on the R.F. fender apron, supplies voltage to the ECU. When the ignition key is in the ON or
START position, battery voltage is supplied to the relay. This closes the relay allowing battery voltage to to supplied to the ECU.