Inspect for continuity between the exterior rear view mirror switch terminals using an ohmmeter.
Courtesy of MAZDA MOTORS CORP. EXTERIOR REAR VIEW MIRROR SWITCH INSPECTION CHART
| Circuit to test |
Connect self-powered test light or ohmmeter to terminals |
Move key to these positions |
A good switch will indicate |
| Left mirror |
|
Selector switch left |
Closed circuit |
| Up |
6 and 3 4 and 1 |
Up |
Closed circuit |
| Down |
6 and 1 4 and 3 |
Down |
Closed circuit |
| Left |
6 and 7 4 and 3 |
Left |
Closed circuit |
| Right |
6 and 3 4 and 7 |
Right |
Closed circuit |
| Right mirror |
|
Selector switch right |
|
| Up |
6 and 3 4 and 2 |
Up |
Closed circuit |
| Down |
6 and 2 4 and 3 |
Down |
Closed circuit |
| Left |
6 and 5 4 and 3 |
Left |
Closed circuit |
| Right |
6 and 3 4 and 5 |
Right |
Closed circuit |