1. Connect the WDS or equivalent to the DLC-2.
2. Measure the PID value.
Note
PID/DATA MONITOR AND RECORD function table

Dtc p0841
TroubleshootingMazda 6 Service Manual: Adjusting the Vents
Directing airflow
To adjust the direction of airflow, move the adjustment knob.
NOTE
When using the air conditioner under humid ambient temperature conditions,
the system may blow fog from the vents. This is not a sign of trouble but a
result of humid air being suddenly cooled.
The air ...
Mazda 6 Service Manual: Clutch cover inspection
1. Measure the wear of the diaphragm spring fingers.
If not as specified, replace the clutch cover.
Depth
0.6 mm {0.024 in} max.
2. Measure the flatness of the pressure plate with a straight edge and a
feeler gauge.
If not as specified, replace the clutch cover.
Maximum ...