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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 04-12-2012, 07:34 PM   #1
SMM
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Car will not turn off

Recently got my car put together. Fired it up today.

Car is using an Enthalpy tune.


Problem is the car will not turn off once turned on with my Enthalpy ECU plugged in. However it will turn on and off with the stock ECU.

This is in a s14 ( ka). So obviously I am running a conversion harness. The conversion harness is based off the EMANCE pinout. I tested the harness and all wires are good from pin to pin.

Also, I have the Enthalpy pinout for his conversion harness and 90% of it matches up with EMANCE'S. Below I will list the differences. S13 pin on the left with the pin it connects to on the s14 side to the right (per Enthalpy), I will also list what they are for in parentheses.I will then list how I have it connected after the arrow.I personally do not see anything that would cause this, I understand some pins are different on my harness but they end up connecting the same ( ground or Camshaft ref.)

Enthalpy / Emance

22 - 44 ( Camshaft Reference) -----> 22-40 ( Camshaft Reference to Camshaft Reference)

30 - 40 (Camshaft Reference) ---> 30-44 ( Camshaft Reference to Camshaft Reference)

6 - 112 ( ECU Ground) -----> 6-10 ( ECU Ground to ECU Ground)
13 - 10 (ECU Ground) ----> 13-19 ( ECU Ground to ECU Ground)
39 - 118 ( ECU Ground) ----> 39-39 ( ECU Ground to ECU Ground)
48 - 106 ( ECU Ground) ---> 48-43 ( ECU Ground to ECU Ground)
107 - 19 ( ECU Ground) ---> 107-106 ( ECU Ground to ECU Ground)
108 - 43 ( ECU Ground) ----> 108-112 ( ECU Ground to ECU Ground)
116 - 39 ( ECU Ground) ----> 116 to 118 ( ECU Ground)




One thing left out from my harness is PIN 33 ( s13 5th position switch) connects to PIN 7 ( s14 A/T signal) per Enthalpy pinout.
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