
Diagnostic procedure


Dtc b2477
Dtc b2777, b2778, b2779, b2780Mazda 6 Service Manual: Outside the United States/Canada
Government regulations in the United States/Canada require that automobiles meet
specific emission regulations and safety standards. Therefore, vehicles built for
use in the United States/Canada may differ from those sold in other countries.
The differences may make it difficult or even impossi ...
Mazda 6 Service Manual: Expansion valve removal/installation
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
Caution
If moisture or foreign material enters the refrigeration cycle,
cooling ability will be lowered and abnormal noise will occur. Always
immediately plug open fitt ...