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: Cruise actuator removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Cover Removal Note
Unclamp the clips of the heater hoses at the front of the cover.
...
Mazda 6 Service Manual: Fan motor
COOLING FAN REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the shroud panel. (See SHROUD PANEL REMOVAL/INSTALLATION.)
3. Remove the A/C pipe stay.
4. Remove the ATX pipe stay (ATX).
5. Remove in the order indicated in the table.
6. Install in the reverse order of remo ...