afr fitting guide please
23 October 2003, 12:21 PM
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right, before anyone ask's, yes i've done a search and yes i didn't have a clue what they're on about, but different people go different route's with different ecu's, so i'm going to ask how to fit an autometer afr to a my99 ecu. i believe it's the AE801 one? i don't have the afr yet, but should have it in either tomorrow or friday. i'll say it again, i've done the search and got rather confused. has anone at least got a link to THE exact guide i'm looking for?
cheers
dave
cheers
dave
23 October 2003, 02:58 PM
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I'm assuming the AE801 and AE802 have the same wiring, as they are interchangeable. So...
1. Pull back the carpet in the passenger foot well.
2. Remove the kickplate covering the ECU.
3. Look for the wire - blue plug (B136) pin 21 (third row down, third in from the right, white with silver dots).
4. Either...
a) cut some of the insulation off and solder the purple wire from the AFR onto it.
or...
b) just use a scotch lock connector, as I did, as I'm wnak at soldering
5. If you don't get any disco activity at idle and cruise, then your lambda is probably knackered (as mine was) so don't undo everything you've done, thinking it's something you've done wrong (as I did)[img]images/smilies/mad.gif[/img]
Hope this helps!
Regards,
Ade.
1. Pull back the carpet in the passenger foot well.
2. Remove the kickplate covering the ECU.
3. Look for the wire - blue plug (B136) pin 21 (third row down, third in from the right, white with silver dots).
4. Either...
a) cut some of the insulation off and solder the purple wire from the AFR onto it.
or...
b) just use a scotch lock connector, as I did, as I'm wnak at soldering
5. If you don't get any disco activity at idle and cruise, then your lambda is probably knackered (as mine was) so don't undo everything you've done, thinking it's something you've done wrong (as I did)[img]images/smilies/mad.gif[/img]
Hope this helps!
Regards,
Ade.
23 October 2003, 06:24 PM
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cheers m8. had it off before though, to check it was the original ecu, as i was gonna be fitting a secs at the time and supposedly it wouldn't work otherwise.
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28 October 2003, 08:16 PM
#8
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Cigarette Lighter for Power, then earth to the ECU chassis, and on the same bolt, a big dock off earth cable straight to the Battery 
28 October 2003, 11:20 PM
#10
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LOL
I got one of those big earth strap cables, and connected it from the negative terminal on the battery, to one of the bolts on the ECU casing, and on that same bolt, I connected the earth wire from the AFR Gauge
I got one of those big earth strap cables, and connected it from the negative terminal on the battery, to one of the bolts on the ECU casing, and on that same bolt, I connected the earth wire from the AFR Gauge
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