
Diagnostic procedure

Dtc b2229, b2231, b2233, b2235
Dtc b2444, u2017Mazda 6 Service Manual: Engine Exhaust (Carbon monoxide)
WARNING
Do not drive your vehicle if you smell exhaust gas inside the vehicle:
Engine exhaust gas is dangerous. This gas contains carbon monoxide (CO), which is
colorless, odorless, and poisonous. When inhaled, it can cause loss of consciousness
and death. If you smell exhaust gas inside the ...
Mazda 6 Service Manual: Foreword
Outline
The OBD (on-board diagnostic) test inspects the integrity and function
of the air bag system and outputs the results when requested by the specific
tests.
OBD test also:
- Provides a quick inspection of the air bag system.
- Is usually performed at the start of each diagn ...