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: Idle air control (iac) valve inspection
Note Perform the following inspection only when directed. Operation Test Carry out the Idle Air Control Inspection. (See Idle Air Control System Inspection.) If not as specified, perform the further inspection for the IAC valve. Resistance Inspection 1. Disconnect the negative batt ...

Mazda 6 Service Manual: Technical data
ENGINE LUBRICATION SYSTEM Note The maintenance intervals on scheduled maintenance table (See SCHEDULED MAINTENANCE TABLE) can only be supported by the use of following oils. Recommended engine oil COOLING SYSTEM FUEL AND EMISSION CONTROL SYSTEMS ENGINE ELECTRICAL SYSTEM ...