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1JZ CEL/MIL Wiring

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Old 01-02-07, 08:28 AM
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ConSynX
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Default 1JZ CEL/MIL Wiring

Okay, this was never mentioned in the swap, and i'm guessing most people don't care to fix it, but i would greatly appreciate that little light because the Power FC uses it. . .

i believe i read Chino had fixed his during his swap, and someone posted here with no help

Also, all the pages of the swap issues, several people mention this issue, nobody posts the solution.


*CEL - Check Engine Light
*MIL - Malfunction Indicator Light
for anyone not into the abbreviations.

Last edited by ConSynX; 01-03-07 at 07:20 AM.
Old 01-03-07, 07:20 AM
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bump with a edit
Old 01-03-07, 06:48 PM
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got_trd
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your check engine light is on? you might want to check what code it is throwing. mine was functional the hole time i had the 1jz in there. the light shouldnt be on unless theres something wrong..
Old 01-04-07, 10:51 AM
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ConSynX
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no, other way around
my light doesn not work
i can't pull codes, or anything.

i checked the gauge bulb, it was fine
and i check the terminals required to pull codes, and they weren't find either, but since the check engine light is supposed to go straight from ecu to dash, something's not right there. . .
Old 01-04-07, 02:38 PM
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shlounek
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I have the same problem cant read engine codes through the CEL, the light does not even light up. I tried using a test light from the W port on the diagnostics port but still no luck
Old 01-04-07, 06:09 PM
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96gti2.0t
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what part of pa are you in? i pulled the codes from my 92( NO SWAP) with a snap-on scanner maybe if your close we could try it on your car im in the allentown area 18018
Old 01-04-07, 08:09 PM
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shlounek
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ConSynX,

I figured my CEL tonight since mine was not working. You will need to run a new wire directly from W port on the ECU I believe it the blue and yellow strip wire to the round diagnostic port inside the car, and hook up your wire to the W port on the diagnostic port.

Now to read the codes you will need to jump teh TE1 and E1 ports on the diagnostic port inside the engine bay, and then you should be able to see the CEL .

Re-Cap
1. Splice "W" B-Y wire on the ECU
2. Run new wire to round diagnostic port inside car
3. Splice the "W" wire B-Y also but with silver marks also
4. Put key on teh "ON" position you will see all the lights light up including the CEL
5. Jump Pins in engine bay to read codes
Old 01-05-07, 08:33 AM
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ConSynX
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well, that's one way to do it
thank you very much!

i'm guessin the trouble comes from a different ecu pin out.
if someone knows which pin to change, that would be much easier, and i would greatly appreciate the info.

otherwise i guess i'm stuck routing a new wire?
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