1. Measure the clearance around the entire circumference between the pressure plate and A/C compressor pulley using a thickness gauge.

2. Verify that the clearance is within the specification.
Clearance
0.3-0.5 mm {0.012-0.019 in}

Magnetic clutch disassembly/assembly
Magnetic clutch inspectionMazda 6 Service Manual: Interior Equipment (View A)
1 - Door-lock knob 2 - Lighting control 3 - Turn and lane-change signal
4 - Wiper and washer lever 5 - Tire pressure monitoring system set switch 6
- DSC OFF switch 7 - Lane-keep Assist System (LAS) & Lane Departure Warning System
(LDWS) OFF switch 8 - Outside mirror switch 9 - Door-lock ...
Mazda 6 Service Manual: Multi-Information Display and INFO Switch (Some models)
The multi-information display indicates the following information.
Odometer
Trip meter
Engine coolant temperature gauge
Fuel gauge
Outside temperature
Distance-to-empty
Average fuel economy
Current fuel economy
Maintenance Monitor
...