Mazda 6 Service Manual: No.25 a/c is not cut off under wide open throttle conditions

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

No.26 exhaust sulphur smell

Other materials:

Mazda 6 Service Manual: Dsc on-board diagnosis
On-Board Diagnostic (OBD) Test Description (See ABS (ABS/TCS) ON-BOARD DIAGNOSIS) DTC Table PID/DATA Monitor Table Active Command Modes Table ...

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 ...