Note
1. Set the front wheels straight ahead.

Caution
2. Turn the clock spring clockwise until it stops.
3. Turn the clock spring counterclockwise 2 3/4 turns.

4. Align the mark on the clock spring with the mark on the outer housing.
Clock spring removal/installation
Clock spring inspectionMazda 6 Service Manual: Air intake actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the air intake actuator.
2. Verify that the air intake actuator operates as shown below.
If not as specified, replace the air intake actuator.
...
Mazda 6 Service Manual: Power window main switch inspection
Drivers side
1. Remove the driver-side front door trim.
2. Connect the power window main switch connector.
3. Measure the voltage at the power window main switch terminals as indicated
below.
4. Disconnect the power window main switch connector before inspecting for
continuity at terminals 1 ...