![]() There are also 2x vacuum solenoids marked "VSV boost" and "VSV TB ICV", and something marked boost control. The other +B line on 3-1 isnt even shown in the diagram. this appears to run directly from a permanent battery feed so I have no idea why it says "EFI relay"on the description. do NOT use the BATT line as I first suggested. The 12v/14v wiring shows you should use pin 3-7 (+B) as your input to the ECU as this wire runs from the output of the EFI relay. On an AUTO engine the VTA connection is throttle position but on a manual, its just idle and "not idle" as you initially suspected so you will need to run without TPS or replace it with the sensor off an auto (or an aftermarket TPS) You could disconnect just the sheilding wires from the TB ground and connect it to the ECU's shield ground if you want but make sure its one or the other, and dont disconnect the whole TB ground bolt as its what your ECU uses as its ground connection.Īfter looking at the diagram a couple of my comments above need changing: As per AdamW above you should only connect sheilding to a single source so it looks like you leave this alone as far as ECU connections go. If you have free inputs also wire pin 1-2 (STA) in as a "Key in crank position" signal.ģ-11 (SPD) to a digital input as a speed sourceģ-8 (W) as an output to your dash engine check light.Īccording to that factory wiring, all the shielding on the crank/cam signal lines connects to the throttle body ground. ![]() You also want to wire pin 3-4 (FC) in as your fuel pump relay, or adjust the wiring so it turns on with the key if you have no outputs. You dont need a permanent battery feed on a link. Likely you should use pin 3-2 (BATT) as your 14v feed which states its from the EFI relay. +B and +B1 are probably permanent battery feeds but check the rest of your diagrams as it does say switched. VCC (2-11) is probably 5vout so should connect to the link 5v out, and VTA (2-10 ) should be your variable TPS signal - connect to any analog input. If you run new wires to injectors 3 and 4 you can run it in sequential fire, otherwise 1-12 and 1-25 will fire 2 injectors each and you will have to use batch fire mode.Īccording to the wiring spec your TPS has an idle switch as well as a variable output. ![]() It looks like the factory wiring is for batch fired injectors. ![]()
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