Caution
1. Configurate the discharge headlight control unit (when only replacing it). (See AUTO LEVELING CONTROL UNIT CONFIGURATION)
2. Disconnect the negative battery cable.
3. Remove the front combination light. (See FRONT COMBINATION LIGHT REMOVAL/INSTALLATION)
4. Remove in the order indicated in the table.


5. Install in the reverse order of removal.
6. Perform the headlight zeroset for the discharge headlight control unit (when only replacing it). (See HEADLIGHT ZEROSET)
Headlight bulb removal/installation
Auto leveling control unit configurationMazda 6 Service Manual: Operational Range
The system operates only when the driver is in the vehicle or within operational
range while the key is being carried.
Starting the Engine
NOTE
Starting the engine may be possible even if the key is outside of the
vehicle and extremely close to a door and window, however, always start the ...
Mazda 6 Service Manual: Egr valve inspection
Operation Test
Carry out the EGR Control Inspection. (See EGR Control System
Inspection.
If not as specified, perform the further inspection for the EGR valve.
Resistance Inspection
Note
Perform the following test only when directed.
1. Disconnect the negative battery cable.
2. In ...