Note
1. Open the bonnet.
2. Disconnect the negative battery cable.
3. Remove the radiator grille.
4. Disconnect the bonnet switch connector.
5. Check the continuity between the bonnet switch terminals A and B using an ohmmeter.

6. Lock the bonnet lock using a flat-head screwdriver or equivalent as shown.

7. Check the no continuity between the bonnet switch terminals A and B using an ohmmeter.
Caution
Theft-deterrent control module removal/installationMazda 6 Service Manual: Drive belt replacement
1. Remove the splash shield (RH).
2. Turn the center of the tensioner pulley clockwise to release tension to
the drive belt.
3. Remove the drive belt.
4. Reinstall the drive belt or install a new drive belt.
5. Verify that the drive belt auto tensioner indicator mark does not exceeds
the l ...
Mazda 6 Service Manual: No. 2 all 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 intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...