A friend of mine and automotive instructor by the name of John Forro once stated that 80% of the emission codes that light the malfunction indicator light (MIL) can be easily diagnosed from the generic or global side of the scan tool, and I would have to agree with him.
If you ask most automotive technicians if they trust an oil life monitor, or OLM, they will typically say “no way” and the reasons for this view will come fast and furiously.
The need to track down electrical system failures in today’s vehicles are more prevalent now than they were many years ago. With the addition of system add-ons such as increased safety items, more entertainment and creature comfort options and overall improved vehicle operating capabilities, the technician is faced with the added complexity of performing proper diagnostics.
Airbag deactivation procedures differ among makes/models/years, so always refer to the appropriate service manual for the correct method. NEVER assume that any specific deactivation procedure is correct for all airbag-equipped vehicles.
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