Chrislcas

Okay cool I’ll have to adjust accordingly as I just kind of went off of an I/o table I found online so I’ll adjust the pin out! That clears up some misconceptions about shielding then for the tps and the coilpacks thank you! I had originally thought they would be a 5v signal some odd reason but now that I think back idk how I confused that haha And I did ask my tuner about wiring it to canbus but he said to just wire them to the analog pins but I can ask why.

Ya sorry about that! I’ve got a stormx. I figured the g4x pins were still about the same. So the shield grounds are because I made my own engine harness using shield grounds for the dizzy (cam angle/crank), knock sensor, coilpacks and the tps because I believe those all came stock besides the coilpacks. Yep. Just realizing that I left the 5V for the flex fuel sensor when it needed to be a 12v ignition source. And finally I’m using AEM X-series gauges and was told to wire the white and brown wires (analogue + and -) from the gauges to the AN volt # and sensor grounds by my tuner. So that was how I was gonna do it. Besides all of that, does everything else look good from the oem ecu pin out?

Hello All, new here, but decently familiar with standalone systems and wiring. I just had some questions about my current set up to see if I can get somethings verified or just another set of eyes before I start pinning a new harness for my 1993 Nissan 240sx. Some background info is that it is a KA-T set up with the 64 pin ecu connector. I'm going to include a quick pin out of the ecu with what each pin does from the ecu as well as what I've currently got "figured out". Please let me know if I'm being redundant with some of the wiring like I think I am. Thank you, Link G4X ECU Harness A Loom OEM Harness Pin 1 Injector 4 Pin 112 (Injector 4) 2 Injector 3 Pin 103 (Injector 3) 3 Injector 2 Pin 110 (Injector 2) 4 Injector 1 Pin 101 (Injector 1) 5 12V+ Pin 4 ECCS Main Relay (Shelf-shutoff) switch power or pin 1? 6 8V+ Open 7 Shield Ground Ground for Shields (knock sensor, coilpacks, distributor, tps) 8 Trig 1 Crank Sensor Pin 22,30 (Reference Signal) 9 Trig 2 Cam Sensor Pin 31,40 (Position Signal) 10 Ignition 4 Open 11 Ignition 3 Open 12 Ignition 2 Coilpack ECU Signal 2 13 Ignition 1 Coilpack ECU Signal 1 14 Analogue Volt 4 White wire from Oil Pressure Gauge 15 Temp 1 Pin 18 (Coolant Temp Sensor) 16 Temp 2 Red wire IAT 17 Analogue Volt 1 White Wire from MAP Sensor 18 Aux 4 Pin 104 Fuel Pump Relay 19 Aux 3 Pin 113 IACV 20 Aux 2 Pin 2 (Tach) 21 Aux 1 White Wire EBC 22 Analogue Volt 2 Pin 20 (TPS) 23 Digital Input 3 Pin 41 (Thermal Control Amplifier) 24 Ground Out Pin 21,29 (Sensor Ground) 25 Ground Chassis Ground 26 Aux 8 Open 27 Aux 7 Open 28 Aux 6 Pin 24 (Malfunction Indicator Lamp CEL) 29 Aux 5 Fan Relay Signal Wires 30 Digital Input 1 Pin 32 (Vehicle Speed) 31 Digital Input 2 White wire Flex Fuel Sensor 32 5V+ Pin 37 (Sensor Power), Flex Fuel red wire, MAP red wire 33 Analogue Volt 3 White wire from Wideband Gauge 34 Ground Pin 39,48 (Chassis Ground) B Loom 1 Injector 8/Aux Ouput Open 2 Injector 7/Aux Output Open 3 Injector 6 Open 4 Injector 5 Open 5 12V+ Pin 4 (ECCS Main Relay self-shutoff) switch power or pin 1? 6 Temp 3 Open 7 Temp 4 Open 8 Knock 2 Open 9 Knock 1 Pin 27 (Knock Sensor) 10 W/ Band 02 Heater Open 11 W/ Band 02 Mes Open 12 Ignition 6 Open 13 Ignition 5 Open 14 Wideband 02/Nernst Open 15 Analogue Volt 6 Open 16 Analogue Volt 7 Open 17 Shield Ground Ground for shields (knock sensor, coilpacks, distributor, tps) 18 Aux 9 Open 19 Digital Input 6 Open 20 Digital Input 5 Open 21 Digital Input 4 Open 22 Ground Out Sensor grounds for wideband, oil pressure, map sensor, and flex fuel 23 Analogue Volt 8 Open 24 Analogue Volt 9 Open 25 Ground Pin 39,48 (chassis ground) 26 Aux 10 Open 27 Can 2 Hi Open 28 Can 2 Lo Open 29 Digital Input 8 Open 30 Digital Input 7 Open 31 W/ Band O2 IPE Open 32 W/ Band 02 APE Open 33 Analogue Volt 5 Open 34 Ground Pin 39,48 (Chassis Ground)