1. Disconnect the negative battery cable.
2. Remove the center panel module. (See CENTER PANEL MODULE REMOVAL/INSTALLATION.)
3. Remove the LCD unit. (with car-navigation system) (See LCD UNIT REMOVAL/INSTALLATION.)
4. Remove the center box. (without car-navigation system)
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.


Information Display Removal Note
Squeeze the tabs of information display and pull it forward to it.
Horn removal/installationMazda 6 Service Manual: Hazardous Driving
WARNING
Be extremely careful if it is necessary to downshift on slippery surfaces:
Downshifting into lower gear while driving on slippery surfaces is dangerous. The
sudden change in tire speed could cause the tires to skid. This could lead to loss
of vehicle control and an accident.
When dri ...
Mazda 6 Service Manual: Heated oxygen sensor (ho2s) inspection
HO2S Voltage Inspection
Note
Perform the following inspection only when directed.
1. Warm up the engine and run it at idle.
2. Disconnect the HO2S connector.
3. Connect the voltmeter test leads to the following HO2S terminals:
HO2S (front and rear)
- (+) leadterminal A
- (-) le ...