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| Let's get Technical! Discussion for hardcore in-depth motor heads! |
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#1
09-02-2005, 01:47 AM
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Is jdm p72 ecu pinout different from the usd p72?
I bought a jdm b18c motor and the IAB does not work so I manually wired it to see if it works. Solenoid worked, theres vacuum. I checked voltage on both wires and both had battery voltage to ground. ETM says one wire goes to pin A17(-) and the other to the PGM-FI main relay(+). I pulled the wire I have at A17 to see if there was voltage coming straight from the ECU (when ignition is at on position) and there was still battery voltage. from what I get from the ETM the ecu grounds the circuit to give vacuum to the IAB at low rpm and at high rpm disconnects the ground. Well I took the ecu back they let me swap it with another ecu and it still did'nt work. but I think that ecu was bad also so what I'm going to try next is to swap ecu s with my buddies p72. or thats why I'm asking you'all is the JDM P72 ecu pinout different from the USD P72 pinout?
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#2
09-02-2005, 03:24 PM
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Re: Is jdm p72 ecu pinout different from the usd p72?
They are the same. Just make sure you've got the same OBD. Meaning the obd1 p72 pinout will be different from the obd2 p72.
And there is no reason to post this in more than 1 place, you'll either get an answer or you won't.
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