Jlam15 Posted September 21, 2022 Report Share Posted September 21, 2022 Hello, Just turbo'd my NA s15 and plan on using a Link G4X standalone. Currently the CE light keeps going from active to de-active and I see my FPR pressure gauge going to 35 to 0. From what I've read and seen, there are components that have a constant 12v power, like injectors and IACV. Could someone explain how I put them on a relay so they are on switch power? or is that even the issue? Thank you. Quote Link to comment Share on other sites More sharing options...
Adamw Posted September 21, 2022 Report Share Posted September 21, 2022 Is the NA S15 wiring/pinout similar to the turbo one? I just had a quick look at our S15 wiring diagram and it doesnt show any "hot fed" devices. Injectors and IAC are both coming from the ign switch. How did you connect the ECCS relay? Quote Link to comment Share on other sites More sharing options...
Jlam15 Posted September 21, 2022 Author Report Share Posted September 21, 2022 Aside from not having the boost items and that the NA using a distributor, don't know much after. I haven't connected or rather don't know how to connect ECCS relay. One thing to add is that Link G4X I have is the 76 Pin one and not the 64 Pin. I do have the pin converter that allows the ECU to boot up and am using an s14-s15 base map. Could that be the problem? The reason I brought up the injectors and IACV possibly staying active is from the video Jimmy Oakes did when he turbo'd his S14 sr20de and had to put the fuses on switch power. Quote Link to comment Share on other sites More sharing options...
Adamw Posted September 21, 2022 Report Share Posted September 21, 2022 So you have our S13 ecu in your S15 with some sort of adapter harness in between? Who made the adapter harness? Have they given you any schematics or anything for it? Quote Link to comment Share on other sites More sharing options...
Jlam15 Posted September 21, 2022 Author Report Share Posted September 21, 2022 The adapter is from Wiring Specialties, the S14 SR20DET Kouki to S14 Zenki ECU Conversion Harness. As for schematics, I got none. Quote Link to comment Share on other sites More sharing options...
Jlam15 Posted September 21, 2022 Author Report Share Posted September 21, 2022 As of right now, when i turn the key to the on position, the ce light blinks and I can see my FPR pushing pressure through, draining my battery. Quote Link to comment Share on other sites More sharing options...
Adamw Posted September 21, 2022 Report Share Posted September 21, 2022 3 hours ago, Jlam15 said: when i turn the key to the on position, the ce light blinks This is normal. It is flashing the fault codes that you have present. 3 hours ago, Jlam15 said: and I can see my FPR pushing pressure through, Im not sure what you mean by this - do you mean the fuel pump is turning on and off with just the ignition on? Quote Link to comment Share on other sites More sharing options...
KennyJ Posted September 23, 2022 Report Share Posted September 23, 2022 some of the latest generation nissan S-chassis have a battery fed ac compressor relay , they sometimes back feed the ecu , changing that pin to a spare injector aux fixes that Quote Link to comment Share on other sites More sharing options...
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