Drivers side
1. Remove the driver-side front door trim.
2. Connect the power window main switch connector.
3. Measure the voltage at the power window main switch terminals as indicated below.
4. Disconnect the power window main switch connector before inspecting for continuity at terminals 1M (1J*2) and 1F (1L*2).
Terminal voltage list (Reference)


*1 : With rear power window system (L.H.D.)
*2 : Without rear power window system (L.H.D.)
*3 : R.H.D.
Except drivers side
1. Turn the power-cut switch to UNLOCK.
2. Inspect for continuity between the power window main switch terminals using an ohmmeter.

Power window switch removal/installation
Power window subswitch inspectionMazda 6 Service Manual: Base removal
1. Remove the rearview mirror.
2. Wind each end of a wire around a bar.
Warning
Using a SST (piano wire) with bare hands can cause injury. Always
wear gloves when using a SST (piano wire).
Note
Use a long sawing action to spread the work over the whole length
of the SST (piano w ...
Mazda 6 Service Manual: Diagnostic assist function
Structural View
Switch location
LCD Inspection
1. With audio on, first press the POWER button, then simultaneously press the
SEEK button (upper) for approximately 1 second.
2. Inspect the LCD according to the following table:
3. Turn the audio off or the ignition switch to the LOCK posi ...