1. Remove the front door unit.
2. Remove the screws, then remove the front door latch and door lock actuator.

3. Install in the reverse order of removal.
Rear door unit removal/installation
Rear door latch and lock actuator removal/installationMazda 6 Service Manual: Foreword
When the customer reports a vehicle malfunction, check the malfunction
indicator lamp (MIL) indication and diagnostic trouble code (DTC), then
diagnose the malfunction according to following flowchart.
- If a DTC exists, diagnose the applicable DTC inspection. (See DTC
TABLE.)
- ...
Mazda 6 Service Manual: Combine sensor initialization procedure
1. Set the SST (WDS or equivalent) to the DLC-2
2. Access the active command mode and select the YAWRATE, then follow the
indication on the monitor.
3. Select the LATACCEL and follow the indication on the monitor.
STEERING ANGLE SENSOR REMOVAL/INSTALLATION
(See COMBINATION SWITCH DISASSEMBLY ...