Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

No.4 hard to start/long crank/erratic start/erratic crank

No.6 cranks normally but will not start

Other materials:

Mazda 6 Service Manual: Seat Warmer (Some models)
The front seats are electrically heated. The ignition must be switched ON. Press the seat warmer switch while the ignition is switched ON to operate the seat warmer. The indicator lights turn on to indicate that the seat warmer is operating. The mode changes as follows each time the seat warmer ...

Mazda 6 Service Manual: Light switch inspection
Light switch LH side 1. Remove the light switch. (See LIGHT SWITCH REMOVAL/INSTALLATION) 2. Inspect for continuity between the light switch terminals using an ohmmeter. If not as specified, replace the light switch. Headlight switch Turn switch Light switch RH side 1. Remove th ...