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: Opening and Closing the Trunk Lid
Opening the trunk lid
Using the remote release button
Push the remote release button.
Using the electric trunk lid opener
(With the advanced keyless function)
A locked trunk lid can also be opened while the key is being carried.
Press the electric trunk lid opener on the trunk lid, then rais ...
Mazda 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 ...