subaru Workshop Repair Guides

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Relays and Modules - Ignition System > < Main Relay (Computer/Fuel System)|Locations
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Main Relay (Computer/Fuel System): Description and Operation

PURPOSE

Provides power to the ECU.

LOCATION

Behind center console ash tray (black connector).

OPERATION

When the key is in the ON or START position, the ECU provides the ground circuit via an internal circuit. The voltage is used by the ECU to
supply power to high load circuits (injectors, solenoids etc.). 

Relays and Modules - Ignition System > < Main Relay (Computer/Fuel System)|Locations