air bag lite - Alfa Romeo Forum
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alfa 147

air bag lite

air bag light just come on today. havnt had time to check owt but does fiatecuscan diagnose air bag faults with standard ODB to USB cable?

53 reg 147 jtd.
fg53ume is offline  
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a standard cable will not read the airbag ECU. there is only 1 pin in the cable that actually talks to the ECU, so you can only communicate with the ECU on that designated pin, all ECUs have a different pin. the cables by default are set to the engine ECU pin.

I think, but don't quote me that you need to be on pin 3 for the airbag ECU where as the engine ECU is on pin 7, from memory.

Please check or await confirmation that I have the right pins there, I wont be held responsible for any damage done if its wrong as wasn't checked!

the airbag ECU runs a self diagnostic routine on boot every time so provided you get the correct fault code and can fix it the codes should clear themselves.

Previous Alfas:
1999 156 1.8TS Sport Pack 3
2001 166 3.0 V6 24V Super
2003 156 GTA 3.2 V6 24V
2005 156 1.9 JTDM-Jet Sport
2008 159 1.9 JTDM Lusso

Current Alfas:
1997 GTV 2.0TS Lusso
2001 147 1.6TS Lusso
Artermis is offline  
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In some cases the airbag is not resettable (is this good english ?). The crashsensor can be broken, a squib broken, wiring damaged etc etc
First you need to read the error log with alfadiag and do a reset ( with my cable )
Pm me for details
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