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International Automotive Technicians Network
Re: Eccs Relay ground control
Posted to Technical Discussion Forum on 5/24/2014

Jason, Yes ECCS relay coil circuit is grounded by ECM and ECM will ground ECCS relay coil circuit only when ECM receives INPUT SIGNAL OF IGN ON.

I had fixed this kind of problem many times. Also Fuel Pump relay is getting power supply from ECCS relay contact... Login to read more.