Mazda 6 Service Manual: No.27 constant voltage

No.26 exhaust sulphur smell

No.28 spark plug condition

Other materials:

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 ...

Mazda 6 Service Manual: Woofer inspection
1. Inspect for continuity between the audio amplifier connector terminals and woofer connector terminals using an ohmmeter. If not as specified, replace the related wiring harnesses. 2. Verify that there is battery positive voltage at the woofer connector terminal A (4SD) or C (5HB) u ...