1. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector located as shown in the figure.

2. Perform KOEO/KOER self-test.
After repair procedureMazda 6 Service Manual: Fog Lights (Some models)
The fog lights can be turned on with the ignition switched ON and the headlights
turned on.
Use this switch to turn on the fog lights. The fog lights will improve visibility
at night and during foggy conditions.
The fog lights turn on when the fog light switch is turned to the
position and t ...
Mazda 6 Service Manual: Theft-deterrent control module inspection
1. Remove the theft-deterrent control module without disconnecting the
connectors.
2. Measure the voltage at the theft-deterrent control module terminals as
indicated below.
3. Disconnect the theft-deterrent control module connector before inspecting
for continuity at terminals L, Q, S, T, a ...