Diagnostic procedure
Mazda 6 Service Manual: Windshield wiper motor removal/installation
1. Disconnect the negative battery cable.
2. Remove the windshield wiper arm and blade. (See WINDSHIELD WIPER ARM AND
BLADE REMOVAL/INSTALLATION.)
3. Remove the cowl grille. (See COWL GRILLE REMOVAL/INSTALLATION.)
4. Remove in the order indicated in the table.
5. Install in the reverse ord ...
Mazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method
1. 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 vehicle or engine vibration could cause
an electrical malfunction. Some of the things to check for are:
...