3200 Fault codes help

[Dodgemnz]

Hi All, I have been helping another Forum member with his pre obd2 3200 problems and today retrieved a list of fault codes and one which isn't recognized and isn't one i have seen before.
The code was: 0x1226
Does anyone recognize this hex code and can translate it? Im wondering if its a throttle body code as it does have an irratic high speed idle when cold. I intend to put the magnetic sensor in it soon.

The other fault stored that i have now seen on three separate 3200's ive worked on is the p0500 vehicle speed sensor. All three owners had not reported seeing any problems with there speedo.
Has anyone struck this before? I know on the Biturbo cars it was a common failure due to its location with getting wiring damage but im not sure where its located on the 3200 possibly in the gearbox. (Two cars were manuals)

The last fault I found was p0231 fuel pump low voltage, so i suspect either the pump is failing or the relay has bad contacts or poor voltage to its connector. Havent had a meter or scope on it as yet just wondered if anyone knows of anything that may point us in the right direction...

Cheers
Mike

 

[Contigo]

Either throttle body or pedal pot for the 226.

Accelerometer issue for the other one maybe?

Get it plugged into a proper SD2 machine as all of these codes you refer to are generic fault codes.

 

[ledlights]

Hi,

P1226 is Accelerator Potentiometer Inconsistency. Worth doing a throttle pedal reset and then either cleaning out the tracks using the guide on here or going for a contactless pedal pot - I think Davy does one on here.

Hope this helps,

Steve

 

[Dodgemnz]

Thanks for the info so far i thought p1226 was probably the pedal position sensor havent had one of those to bits as yet. Some cars i believe had the modification done to the loom joining the white and yellow wires together not sure what it actually does, presuming it matches two signals or similar?
We dont have access to an SD Tester anywhere near we are hence i have been using Unidiag on the cars that are local as i do Auto diagnostics for a living.
Ive done a few magnetic sensor conversions for Volvo's with the Marelli throttle, and always considered it a mod to do the the 3200 as well.
Cheers
Mike

 

[ledlights]

I've used Unidiag for the past few years without problems. It's invaluable.

Also, I've just found the guide to cleaning it. Have a look at:

http://www.sportsmaserati.com/showthread.php/1097-DONT-forget-the-trottlePEDAL-potentiometer!!!!

Cheers,

Steve

 

[Contigo]

Do the throttle reset for both idle and WOT. Also the two wire mod does as you say and takes and average of the two potentiometer outputs and will prolong the life of a failing Pedal pot but I'd just get it replaced with a pedal sensor which has transformed my car.