
Diagnostic procedure

Dtc 21
Dtc 31Mazda 6 Service Manual: Front door glass removal/installation
1. Operate the front door glass so that the distance from the top of the
front door glass to the upper part of the rear beltline molding is 210 mm
{8.3 in}.
2. Disconnect the negative battery cable.
3. Remove the front door trim.
4. Remove the hole cover.
5. Remove the screws.
6. Insert ...
Mazda 6 Service Manual: Disconnection of the negative battery cable
Before beginning any work, turn the ignition switch to LOCK position,
then disconnect the negative battery cable and wait for more than 1 minute
to allow the backup power supply of the SAS unit to deplete its stored
power. Disconnecting the battery cable will delete the memories of the
...