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  Soarer Central * Mechanical - V8 * EMV - Air Con - Blank screen. Ran Diag - have Questions. UZZ31 Previous Previous    Next Next  

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Rob Charles
Tinkerer
Victoria
V8 UZZ31

Posts: 65
Reg: 07-2014

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Saturday, August 23, 2014 - 07:55 pm, by:  Rob Charles (Pearl_white) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Two days ago i headed out and noticed my EMV air con screen is totally blank.
Was working fine the night before.

Ran an EMV diag, and came up with the "A/C no connection" error.
Also, 'Display' pops out a code that says "D2".

The link below is a translation of Diagnostics.
http://www.microtech.com.au/~cheets/diagnostics/diags/diag0001.htm

Now, nothing has been moved - the wiring in the ashtray hole is where it has always been, and so on. I have an ashtray hole as I had an aftermarket stereo installed and ashtray won't fit back...

My questions are - What does D2 mean, and what else can cause a no connection error? Is it simply a cable unplugged behind the EMV or something that has come loose?

Or is this possibly an ECU or fuse issue - as no cables have been moved/touched/ or so on.

Previously taken car to 3 mechanics for checks on unrelated (i think) issues - wasted $600 to find nothing out basically - looking for as much diverse info as possible before taking it into a shop again, no matter how ridiculous it may sound - give me your theories. :-)

Thanks
Rob Charles
Tinkerer
Victoria
V8 UZZ31

Posts: 68
Reg: 07-2014

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Saturday, August 23, 2014 - 08:18 pm, by:  Rob Charles (Pearl_white) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

One other question.
Looking up online - the forums state that if you have a scroll feature on the dash, the codes will be displayed.

When i start the car, i can push scroll - and it goes through "brakes, oil pressure, oil level" and so on ... There are no error codes near any of the things in the scrolling menu however.
Now - Am i right in believing that an error code will only show up near the item in question if there is an actual error - and the items that are appearing in scroll are not in fact showing up due to an error, but are simply there to show if there IS an error? - so if brakes have an error, it will say "brakes-D1" instead of just "brakes"... Right?

No idea.

Nice car but a pain in the butt. :-)
Scott Vim
DieHard
Vic
Soarer (1uz) Chaser (1jz)

Posts: 979
Reg: 12-2010

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Sunday, August 24, 2014 - 07:49 am, by:  Scott Vim (1uz1jz) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Wait a second was this issue before or after you had the back seats out?
Rob Charles
Tinkerer
Victoria
V8 UZZ31

Posts: 74
Reg: 07-2014

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Sunday, August 24, 2014 - 04:39 pm, by:  Rob Charles (Pearl_white) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Noticed it after back seat was out.

- took back seat out to replace fuel ECU.
- Did not have spanner that fit the bolts holding back part of seat on. Did not replace ECU.
- Put back seat in (bench).
- Next day there is no air con screen.

- From what i gather, the things under seat are the 'audio system' plugs and everything.

- Was just curious if something is shorting out or similar when i put the seat back on - as nothing else has changed, and now the screen won't work...


Sigh
David Grima
Goo Roo
WA
92 JZZ30 TT & 91 UZZ31 V8

Posts: 1645
Reg: 07-2007

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Tuesday, August 26, 2014 - 01:13 am, by:  David Grima (Maltezr) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Its got nothing to do with taking your rear seats out, i searched and read on a few old threads on here that its the Emv's ecu that's starting to play up. Common problem.... No air con screen,audio display or temp display on main screen. Its also like that on mine although its been like that since I bought it.

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