Mazda 6 Service Manual: No.23 a/c does not work sufficiently

No.22 vibration concerns (engine)

No.24 a/c is always on or a/c compressor runs continuously

Other materials:

Mazda 6 Service Manual: Clutch disc inspection
1. Using vernier calipers, measure the thickness of the lining at a rivet head on both sides. Replace the clutch disc if its thickness is less than the minimum. Thickness 0.3 mm {0.012 in} min. 2. Measure the clutch disc runout using a dial indicator. If the runout is excessiv ...

Mazda 6 Service Manual: Foreword
When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to following flowchart. - If a DTC exists, diagnose the applicable DTC inspection. (See DTC TABLE.) - ...