

Diagnostic procedure


Dtc p0121
Dtc p0123Mazda 6 Service Manual: Audio control switch removal/installation
Note
The audio control switch and the cruise control switch use a
common connector.
1. Disconnect the negative battery cable.
2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE
REMOVAL/INSTALLATION.)
3. Remove the steering wheel.
4. Remove in the order indicated ...
Mazda 6 Service Manual: Front combination light removal/installation
Caution
Incorrect servicing of the discharge headlights could result in
electrical shock. Before servicing the discharge headlights, always refer to
the Discharge headlight service warnings. (See DISCHARGE HEADLIGHT
SERVICE WARNINGS)
Note
When the ignition switch is turned to ON, ...