Caution
Note
1. Disconnect the negative battery cable.
2. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.


4. Install in the reverse order of removal.
5. Adjust the headlight aiming. (See HEADLIGHT AIMING.)
Discharge headlight service warnings
Headlight aimingMazda 6 Service Manual: Lane-Change Signals and Three-Flash Turn Signal
Lane-Change Signals
Move the lever halfway toward the direction of the lane change—until the indicator
flashes— and hold it there. It will return to the off position when released.
Three-Flash Turn Signal
After releasing the turn signal lever, the turn signal indicator flashes three
times ...
Mazda 6 Service Manual: Procedures for determining the location of a malfunction
System Wiring Diadram
PCM
1. Check the display of DTC U0121 and/or U0155, using the SST (WDS or
equivalent). (See DTC TABLE.)
2. Referring to the following table, determine the malfunctioning part of the
CAN system.
ABS/TCS HU/CM or DSC HU/CM
1. Accec and monitor the PCM MSG and IC MSGo ...