Elantra L4-1595cc 1.6L DOHC (1993)
Engine Control Module: Testing and Inspection
ECM Power and Ground Supply Circuits
CONTROL RELAY AND IGNITION SWITCH-IG
When the ignition switch is turned on, battery voltage is applied from the ignition switch to the ECU. This is turns ON the power transistor and
energizes the control relay coil. This turns ON the control relay switch and power is supplied from the battery to the ECU through the control relay
switch.
Control Relay And Ignition Switch-IG Circuit
CONTROL RELAY AND IGNITION SWITCH-IG CIRCUIT