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: Sunroof relay inspection
Note Sunroof relay is built in the sunroof motor. 1. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.) 2. Connect the sunroof switch connector. 3. Measure the voltage at the sunroof relay terminals as indicated below. 4. Disconnect the sunroof relay connector before inspecting fo ...

Mazda 6 Service Manual: Front door lock actuator inspection
Door Lock Actuator 1. Disconnect the front door lock actuator connector. 2. Apply battery positive voltage to the front door lock actuator terminals and inspect the operation of the front door lock actuator. If not as specified, replace the front door lock actuator. With double locking ...