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 Diy diagnostics

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Hampy1234
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PostSubject: Diy diagnostics   Wed Mar 09, 2011 11:16 pm

As a few of you know I've recently joined after purchasing a mr2. Does anyone know how I can run a diagnostic program or know anyone who can on the cheap just to see if there any other problems that need rectifying.
Much love
Matt
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james_gti6
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 12:37 am

I think you can get flash codes out of the jap cars by linking two terminals on the diagnostic plug. i will find out which two and post it up later
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james_gti6
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 12:42 am

The error codes can be extracted from the ECU by carefully linking (and do this at your own risk) the TE1 and E1 connectors on the gray diagnostics connector, whilst the engine is switched off (eg using a highly calibrated paperclip!). The picture below illustrates the diagnosis connector and the locations of these connectors - top right and middle-middle on the left hand side block of connectors - note they're covered with a good dollop of grease.



If you then turn the ignition to the second (normal running) position, the engine symbol on the dashboard will begin to flash. Continuous steady flashing shows no error conditions are stored. If error codes are stored, they are kept as a two digit code, e.g. 2 and 3 flashes is the code 23


2/31Inhalation pipe pressure meter

3/14Ignition indicator (except cars with DLI, DRD)

3/14Ignition indicator (for cars with DLI, DRD)

4/22Water leak indicator

5/21Dx indicator

6/12-3Tachometer

7/41Throttle indicator (cars with linear sensor)

7/41Throttle indicator

8/24Inhalation temperature indicator

9/42Speedometer

10/43STA indicator

11/51Switch

11+B (except cars with step motor type ISCV)

11+B (for cars with Step motor type ISCV)

23Evaporator temperature indicator

31,32Air flow meter (except cars with carman whirlpool air flow meter)

31Air flow meter (for cars for carman meter)

32Atmospheric pressure meter (7M-GTEU)

33ISCV meter

34Circulation pressure supply (?)

31Circulation pressure supply (?)

35Turbo pressure meter

52,53Knock indicator (sensor)

54Inter cooler

01Data communication
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Norledge
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 2:22 am

Lol yeah what he said!

Nicely found James!

Sticky Time!


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Hampy1234
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 3:06 am

Nice one thanks useful info what potentially could go wrong I don't want to do anything silly.
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Adam86
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 6:28 am

Nice find James

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Adam86 About the City wrote:


Rear clip of an mr2 turbo would have being ideal its taken off in one piece. Remove the body work and your left with an engine/gearbox in the subframe with driveshafts & hubs etc all held together
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Dave-R
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 7:14 am

I thought the Jap lot would have been sensible and used OBD connectors and used one of the standard protocols. I'm surprised! This is almost French, apart from you can actually read the codes instead of needing some proprietary software that costs a small fortune Smile
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james_gti6
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 7:27 am

no probs. we have the diagnostic for these cars in work, but for some unknown reason, you get the odd car that comes in that will not communicate. so the next best thing is to just get the flash codes the manual may.
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Reechard
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 7:33 am

Hmmm think I will be checking mine. See if the ICV is playing up at all.
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Jeano
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 8:15 pm

Dave-R wrote:
I thought the Jap lot would have been sensible and used OBD connectors and used one of the standard protocols. I'm surprised! This is almost French, apart from you can actually read the codes instead of needing some proprietary software that costs a small fortune Smile
have to remember mr2 mk2 first released in the 1990s so to have this is still good technology for this time
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Jeano
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PostSubject: Re: Diy diagnostics   Thu Mar 10, 2011 8:15 pm

what revision is everyones mr2?
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jamesy
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PostSubject: Re: Diy diagnostics   Fri Mar 11, 2011 4:23 am

check you out Jamesy boy
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