Handy1222man Posted March 17, 2019 Report Share Posted March 17, 2019 Can I use power from my fuel pump relay to power the link can lambda? Quote Link to comment Share on other sites More sharing options...
gtihk Posted March 18, 2019 Report Share Posted March 18, 2019 I see no problem with that. I suppose you only want lambda sensor to be running only when the engine is running? Quote Link to comment Share on other sites More sharing options...
CamB Posted March 18, 2019 Report Share Posted March 18, 2019 I've been advised that the CAN lambda will manage the heater by using the ECUs running information, so should be connected as per the wiring diagram. Would be worth waiting until someone from Link confirms or you should try the tech support help line. Quote Link to comment Share on other sites More sharing options...
Adamw Posted March 18, 2019 Report Share Posted March 18, 2019 Correct, it would be preferable it is powered up at the same time as the ECU so it can establish CAN comms. The CAN lambda wont enable the heater until after it receives info from the ECU that the engine is running. You will get CAN errors logged if ECU is powered up and CAN Lambda is not. Quote Link to comment Share on other sites More sharing options...
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