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: Essential Information
Introduction
Be careful not to hurt yourself when inspecting your vehicle, replacing a tire,
or doing some kind of maintenance such as car washing.
In particular, wear thick work gloves such as cotton gloves when touching areas
that are difficult to see while inspecting or working on your vehi ...
Mazda 6 Service Manual: Dtc c1148, c1158, c1168, c1178, c1233, c1234, c1235, c1236
Caution
When attaching the tester lead to the ABS (ABS/TCS) HU/CM harness
connector, the SST (49 G066 001) must be used. (See ABS (ABS/TCS) HU/CM
INSPECTION.)
Diagnostic procedure
...