1. Disconnect the negative battery cable.
2. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
Caution
3. Remove the clip and disconnect the selector cable.

4. Rotate the manual shaft to the converter housing side fully, then return 2 notches to set the N position.

5. Disconnect the TR switch connector.

6. Loosen the TR switch mounting bolts.

7. Measure the resistance between the terminals B and C.

8. Adjust the switch to the point as follow.
9. Tighten the TR switch mounting bolts.
Tightening torque 8-11 N·m {82-112 kgf·cm, 71-97 in·lbf}
10. Move the selector lever to N position.
11. Verify that the TR switch is aligned with N position.
12. Connect the TR switch connector.
13. Install the clip to the selector cable as shown in the figure.

14. Connect the selector cable to the manual shaft lever as shown in the figure.

15. Inspect operation of the TR switch. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION.)
16. Install the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
17. Connect the negative battery cable.
Transaxle range (tr) switch removal/installation
Transaxle fluid temperature (tft) sensor inspectionMazda 6 Service Manual: Front and rear fog light switch inspection
Light switch LH side
1. Remove the light switch. (See LIGHT SWITCH REMOVAL/INSTALLATION.)
2. Inspect for continuity between the light switch terminals using an
ohmmeter.
If not as specified, replace the light switch.
Light switch RH side
1. Remove the light switch. (See LIGHT SWITCH ...
Mazda 6 Service Manual: Cruise Control (Some models)
With cruise control, you can set and automatically maintain any speed of more
than about 25 km/h (16 mph).
WARNING
Do not use the cruise control under the following conditions: Using
the cruise control under the following conditions is dangerous and could result
in loss of vehicle control.
...