ASC-AYC ECU Pinout Series1 fitted with TCL

Kitty's VR4 · Sep 22, 2009

ASC ECU Pinout Completed.... for Series 1

Sample Picture, see attached PDF for complete document

Couple of notes to go with this, If you have a Series 1 VR4, the ASC and AYC ECU is a combined unit. (Currently working on AYC ECU for Manual VR4's)

Don't throw Reps to me, Hipsi needs recognition for his work of getting pictures of Harnesses and ECU, it's a bastard to get to, let alone get into a position to take the photo's, then on completion of this pinout, I sent him back under his Dash again to double check my wire colour coding.... so huge thanks to Hipsi for his patience and work gathering this component of the Pinout, and also Peter Thomson for letting me pick his brain during one of my brain farts, when some of this wasn't making sense.

This Pinout is to be used only with Auto Transmission VR4's equipped with ASC-AYC.

For AYC Equipped Manual Transmission VR4's, Please click HERE for correct pinout to suit your Vehicle

Hipsi · Sep 23, 2009

If anyone needs a contortionist for their next party, I'm available

You're doing a top job on these pinout diagrams Kitty. I'm more than happy to help for such a good cause.

happymatch · Sep 23, 2009

great work~ wow.. dedication and hard labour~

Guest · Sep 23, 2009

Great work Kat

Sydo · Sep 23, 2009

Awesome!
Question - how thin, long, and strong must your fingers be to unplug these??
All I get is ouchies.

snickells · Sep 23, 2009

/cheer

Well done everyone

cowabunga438 · Sep 23, 2009

This is brilliant - I am having problems with my ASC.

Just where is it located? I need to check mine.

Kitty's VR4 · Sep 23, 2009

Left hand footwell, left kick panel up high, around dash height!!!!

Hipsi · Sep 23, 2009

cowabunga438 said:
This is brilliant - I am having problems with my ASC.

Just where is it located? I need to check mine.

Remove glovebox, kickpanel, steel reinforcement bar across the bottom of the dash that the glovebox attaches to, and unbolt the harness cradle that runs across the top of the hole left by the glovebox. You should then be able to manipulate the harness out of the way so that you can get to the plugs and undo the bracket that the ECU is attached to. If you need to remove the ECU however, I'd say it'll require removal of the heater box/A.C. unit.

cowabunga438 · Sep 23, 2009

Thanks.

cowabunga438 · Sep 24, 2009

Could see the ECU. but...

Where is the screw that holds the wiring harness that runs over the top of the glovebox? It didn't really seem to be in the way anyway.

I couldn't get at the ecu well enough to see the plugs that holds it in. Where are they located?

I want to get at the ecu so I can check the voltages - too hard to do when it is in situ.. Thought if I can lower it down so it hangs a bit below the glove box line I could get a thin probe into the wires.

I got the 16 pin connector off fairly easily - and interestingly found a pin that should have been at ground floating. Didn't try to hard to get the other connectors off as I was running out of time and patience.

One other thing. I found the pinout diagram in the workshop manual. Do you have access to that?

Hipsi · Sep 24, 2009

There is one 10mm bolt at either end on the top side of of the plastic harness cradle. It's not that part that gets in the way though, it just frees up the whole harness so that you can move it aside where it is located in front of the ECU.

Once you are able to do this then you'll see the 1 bolt that fixes the ECU bracket to the body. remove that and then wiggle the ECU downwards, it will then come free but you won't be able to move it far. If you want to remove the plugs I suggest doing it while the bracket is still bolted down.

I don't have the workshop manual, does the pinout in there reflect what Kitty has done?

Kitty's VR4 · Sep 24, 2009

cowabunga438 said:
One other thing. I found the pinout diagram in the workshop manual. Do you have access to that?

What Manual ????????????????????????????????????????????????????

naughtika · Sep 24, 2009

cowabunga438 said:
One other thing. I found the pinout diagram in the workshop manual. Do you have access to that?

what Kitty said.. and please do share... specially diagrams for the electricals (doors, lights and stuf)

cowabunga438 · Sep 24, 2009

The workshop manual that was translated by the NZ mob

I presume the manual is copyrighted, so wont publish freely that page for fear of getting into trouble.

Kitty's VR4 · Sep 24, 2009

It does???? Which Volume, Which section- Which page??????

Can anyone else see where this might be going??

Guest · Sep 24, 2009

I don't have anything about a pinout in my manuals from JPNZ so I'm very interested to see this as well and what else do you have that others don't?????

Guest · Sep 25, 2009

cowabunga438 said:
The workshop manual that was translated by the NZ mob

I presume the manual is copyrighted, so wont publish freely that page for fear of getting into trouble.

Do you have the info or are you just talking about the pic with the location of the ecu

Kitty's VR4 · Sep 25, 2009

No Peter,

Actual Pinouts are now in JPNZ Manuals, Page 118 contains the 26Pin Connector Pinout, so obviously JPNZ have now completed the manual rather than the crap they supplied everyone before claiming to be a manual.

Wahoo, I can sleep at night now rather than doing translations...... would have been nice to know earlier...lol

Guest · Sep 25, 2009

Yes found it in my one along with an ayc pinout in a different section.

ASC-AYC ECU Pinout Series1 fitted with TCL

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