Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: Power brake unit inspection
Warning The following inspection methods are the simple inspection methods to judge the function of power brake. If there is malfunction in power brake unit, replace the power brake unit as a component. Power Brake Unit Function Check (Simple Method) Step 1 1. With the engine stoppe ...

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 ...