Mazda 6 Service Manual: Troubleshooting index

On-board diagnostic function

...

No. 1 one or more on-board diagnostic functions inoperative

When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any i ...

Other materials:

Mazda 6 Service Manual: Cooling (With air conditioner)
1. Set the mode selector dial to the position. 2. Set the temperature control dial to the cold position. 3. Set the fan control dial to the desired speed. 4. Turn on the air conditioner by pressing the A/C switch. 5. After cooling begins, adjust the fan control dial and temperature control d ...

Mazda 6 Service Manual: Intermittent concern troubleshooting
  Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons vehicle or engine vibration could cause an electrical malfunction. Some of the things to check for are: ...