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diag codes for mk2 T3???

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87octane

Post subject: diag codes for mk2 T3???

Posted: Wed Mar 04, 2009 6:20 pm

Joined: Wed Aug 20, 2008 11:54 pm
Posts: 199
Location: San Jose CA USA

Can somebody point me to any FSM page with mk2 T3 ecu codes?

Also what pins on ECU and how to trigger them to flash the codes?

Is it grounding the diag term ecu wire that makes it happen?

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JohnnyMullet

Post subject: Re: diag codes for mk2 T3???

Posted: Wed Mar 04, 2009 8:39 pm

Joined: Tue Apr 08, 2008 9:08 pm
Posts: 1208
Location: Ashtabula, Ohio

http://geometroforum.com/topic/638390/

Ground the diag and read the blink codes. Should be in this chart.............

Quote:

1986-1995 Metro Swift Multi-Point fuel injection

13 - O2S Circuit
14 - ECT Sensor Circuit
15 - ECT Sensor Circuit
21 - TP Sensor Circuit
22 - TP Sensor Circuit
24 - Speed Sensor Circuit
33 - Air Flow Sensor Circuit
34 - Air Flow Sensor Circuit
41 - Ignition Signal Circuit
42 - Crank Angle Sensor Circuit
51 - EGR System & Recirculated Exhaust Gas Temperature Sensor Circuit
52 - Fuel Injector, California

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CJDavE

Post subject: Re: diag codes for mk2 T3???

Posted: Wed Mar 04, 2009 8:56 pm

a.k.a Bum head

Joined: Mon May 31, 2004 5:29 pm
Posts: 3052
Location: London, ON

Download the Mk2 manual fer cryin' out loud.

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rodgrant

Post subject: Re: diag codes for mk2 T3???

Posted: Thu Mar 05, 2009 9:06 am

Joined: Thu Jan 29, 2009 2:52 pm
Posts: 32
Location: Statesboro, GA (USA)

can anybody tell me which wire for the diag. circuit to ground? Right now I've been getting a 12 for the code, which I was told that the ECM is working fine, but it is still running rich and fouling out the plugs.

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CJDavE

Post subject: Re: diag codes for mk2 T3???

Posted: Thu Mar 05, 2009 9:25 am

a.k.a Bum head

Joined: Mon May 31, 2004 5:29 pm
Posts: 3052
Location: London, ON

If you're seeing a 12, then you've shorted the right wires.

The ECM isn't seeing a problem so you need to narrow down what can go wrong that the ECM doesn't monitor. Either that or you've got a sensor that isn't measuring something properly, but isn't out of range.

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87octane

Post subject: Re: diag codes for mk2 T3???

Posted: Thu Mar 05, 2009 3:05 pm

Joined: Wed Aug 20, 2008 11:54 pm
Posts: 199
Location: San Jose CA USA

Too many late nights working on the build. I can't focus anymore. Didn't see the codes page on first pass, it doesn't look anything like domestic FSM code pages usually do. Not very many entries, not very much info, I should probably be grateful...
Build up progress is ongoing over at GeoMetro forum.

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