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
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Mazda 6 Service Manual: Engine coolant temperature (ect) sensor inspection
Note
Perform the following inspection only when directed.
ECT Sensor Resistance Inspection
1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
2. Remove the ECT sensor (located above the starter).
3. Place the ECT sensor in water with a thermometer, and heat the water
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