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Another can-lambda question


Tom's r32 gtr

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I’m currently making a harness for the can-lambda sensor, (for r32 Gtr using g4+ pnp) similar to the one on nzefi website. Im using the Can 1 Jx header on the ecu board. The wiring diagram provided is confusing me... is this correct and where does the “to ecu” wire go? 

E6617BD7-B342-49FE-96EA-F9DE9F1FE93D.jpeg

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Here is the diagrams from the current quick start guide.  Preferred option at top with The lambda powered from its own relay connected directly to the battery.

Ea4GaPA.png

 

The alternative wiring below with the extra capacitor is if you are not using its own relay but instead connecting to some other power supply in the car such as in this example the ECU relay:

MDeH6pp.png

 

As for the CAN wiring, it should be like below, also with a 120ohm resistor across the CANH/L wires near the CAN lambda connector: 

u9xPsgj.png

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  • 2 months later...

Still confused about can h and l ... any help would be appreciated so close to having my skyline done 

On 7/20/2020 at 8:02 PM, Tom's r32 gtr said:

Thank you, I’ll report back with whatever happens when I plug it in

Any good news ?

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