
Diagnostic procedure


Dtc b1913, b1916, b1932, b1934
Dtc b1921Mazda 6 Service Manual: Control Switches
Temperature control dial
This dial controls temperature. Turn it clockwise for hot and counterclockwise
for cold.
NOTE
When the mode is set to or
with the fan control dial in a
position other than 0 and the temperature control dial in the maximum cold position,
the air intake selector sw ...
Mazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method
If malfunction occurs or becomes worse while driving on a rough road or
when engine is vibrating, perform the steps below.
Note
There are several reasons why vehicle or engine vibration could
cause an electrical malfunction. Some of the things to check for:
- ...