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Forum: MKIII Supra

04-24-2011, 08:54 PM

Replies: 7

HAC sensor wiring diagram.. HELP plz..

Views: 10,944

Posted By Cyberguy1992

I'm going to make a new engine harness and I'm...

I'm going to make a new engine harness and I'm just trying to gather a diagram for the '87.. do the newer ECU pin outs have the same exact names as the one for the '87 and they are just arranged...

Forum: MKIII Supra

04-24-2011, 08:12 PM

Replies: 7

HAC sensor wiring diagram.. HELP plz..

Views: 10,944

Posted By Cyberguy1992

Thx

Okay... that makes sense for the HAC to need a negative and a positive to come up with its signal...

Thanx

Forum: MKIII Supra

04-24-2011, 07:49 PM

Replies: 7

HAC sensor wiring diagram.. HELP plz..

Views: 10,944

Posted By Cyberguy1992

Worried about V or VC

The HAC dosn't get THA, i'm worried about V.. I'm guessing that V is the same as VC.

Is there any thing else that goes on VC?

The EFI TSRM doesn't show what wires specifically go to the HAC...

Forum: MKIII Supra

04-24-2011, 08:22 AM

Replies: 7

HAC sensor wiring diagram.. HELP plz..

Views: 10,944

Posted By Cyberguy1992

HAC sensor wiring diagram.. HELP plz..

I think they only put this HAC(High altitude sensor) in 86 and 87 supras with the 7MGTE engine... I had to send new wires from my throttle body strait to the ECU and it still hasn't been running...

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