Mazda 6 Service Manual: No.26 exhaust sulphur smell

No.25 a/c is not cut off under wide open throttle conditions

No.27 constant voltage

Other materials:

Mazda 6 Service Manual: Owner Maintenance Precautions
The owner or a qualified service technician should make these vehicle inspections at the indicated intervals to ensure safe and dependable operation. Bring any problem to the attention of an Authorized Mazda Dealer or qualified service technician as soon as possible. At Least Twice a Year (For ...

Mazda 6 Service Manual: Audio control switch inspection
1. Disconnect the negative battery cable. 2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION.) 3. Disconnect the audio control switch connector. 4. Measure the resistance and inspect for continuity between the cruise control switch terminals using a ...