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: Call Interrupt
A call can be interrupted to receive an incoming call from a third party.
When is selected or the pickup
button on the steering wheel is pressed, the current call is held and the system
switches to the new incoming call.
When is selected, the current
call is ended and the system switches t ...
Mazda 6 Service Manual: Tire Maintenance
Improper or inadequate vehicle maintenance can cause tires to wear abnormally.
Here are some important maintenance points:
Tire Inflation Pressure
Inspect all tire pressure monthly (including the spare) when the tires are cold.
Maintain recommended pressures for the best ride, top handling, an ...