Pulsar L4-1597cc 1.6L SOHC (GA16i) (1990)
ECCS (Engine Management) Relay: Description and Operation
The ECCS/EFI, located in the relay box in the engine compartment, relay 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.