1. Disconnect the negative battery cable.
2. Remove the glove compartment.
3. Remove the console.
4. Remove the meter hood.
5. Remove the instrument cluster.
6. Remove the column cover.
7. Remove the lower panel.
8. Remove the steering shaft.
9. Remove the A-pillar trims.
10. Remove the front scuff plates.
11. Remove the front side trims.
12. Remove the side panels.
13. For vehicles equipped with the wire-type climate control unit, disconnect the wires for the front A/C unit. (See to CLIMATE CONTROL UNIT REMOVAL.) (See to CLIMATE CONTROL UNIT INSTALLATION.)
14. Disconnect the dashboard harness connectors.
15. Remove the bolts.

Warning
16. Pull out the support pins from the body to remove the dashboard.

17. Take the dashboard off from the driver-side door opening.
18. Install in the reverse order of removal.
Dashboard disassembly/assemblyMazda 6 Service Manual: Passenger-side air bag module removal/installation
Warning
Handling the air bag module improperly can accidentally deploy the
air bag module, which may seriously injure you. Read AIR BAG SYSTEM SERVICE
WARNINGS before handling the air bag module. (See SERVICE WARNINGS.)
Due to the adoption of 2-step deployment control in both the
pass ...
Mazda 6 Service Manual: No.8 no cool air
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while performing 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 ...