Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Mazda 6 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Transmission Position Sensor/Switch: Service and Repair
TRANSAXLE RANGE (TR) SWITCH REMOVAL/INSTALLATION [FS5A-EL]
1. Disconnect the negative battery cable.
2. Remove the air cleaner component.
Caution: Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
3. Disconnect the TR switch connector.
4. Remove the clip and disconnect the selector cable.
Caution: Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.
5. Set the adjustable wrench as shown to hold the manual shaft lever.
6. Remove the manual shaft nut and washer.
7. Remove the manual shaft lever.
8. Remove the TR switch.
9. Rotate the manual shaft to the converter housing side fully, then return 2 notches to set the N position.
10. Turn the protrusion at resistance between the terminals B and C become 750 ohms.
11. Install the TR switch while aligning the protrusion and groove as shown.
12. Hand-tighten the TR switch mounting bolts.
13. Inspect the resistance between the terminals B and C.
^ If not as specified, readjust the TR switch.
Resistance 750 ohms
14. Tighten the TR switch mounting bolts.
Tightening torque 8 - 11 N-m (82 - 112 kgf-cm, 71 - 97 in-lbf)
Caution: Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.
15. Install the manual shaft lever and the washer.
16. Set the adjustable wrench as shown to hold the manual shaft lever, and tighten the manual shaft nut.
Tightening torque 32 - 46 N-m (3.2 - 4.7 kgf-m, 24 - 33 ft-lbf)
17. Install the clip to the selector cable as shown in the figure.
18. Shift the selector lever to P position.
19. Turn the manual shaft lever to P position.
20. Connect the selector cable.
21. Inspect for continuity at the TR switch. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION [FS5A-EL].) Transaxle Range (TR) Switch Inspection
^ If not as specified, readjust the TR switch.
22. Connect the TR switch connector.
23. Install the air cleaner component.
24. Connect the negative battery cable.
25. Inspect operation of the TR switch. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION [FS5A-EL].) Transaxle Range (TR) Switch Inspection
^ If not as specified, readjust the TR switch.
1. Disconnect the negative battery cable.
2. Remove the air cleaner component.
Caution: Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
3. Disconnect the TR switch connector.
4. Remove the clip and disconnect the selector cable.
Caution: Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.
5. Set the adjustable wrench as shown to hold the manual shaft lever.
6. Remove the manual shaft nut and washer.
7. Remove the manual shaft lever.
8. Remove the TR switch.
9. Rotate the manual shaft to the converter housing side fully, then return 2 notches to set the N position.
10. Turn the protrusion at resistance between the terminals B and C become 750 ohms.
11. Install the TR switch while aligning the protrusion and groove as shown.
12. Hand-tighten the TR switch mounting bolts.
13. Inspect the resistance between the terminals B and C.
^ If not as specified, readjust the TR switch.
Resistance 750 ohms
14. Tighten the TR switch mounting bolts.
Tightening torque 8 - 11 N-m (82 - 112 kgf-cm, 71 - 97 in-lbf)
Caution: Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.
15. Install the manual shaft lever and the washer.
16. Set the adjustable wrench as shown to hold the manual shaft lever, and tighten the manual shaft nut.
Tightening torque 32 - 46 N-m (3.2 - 4.7 kgf-m, 24 - 33 ft-lbf)
17. Install the clip to the selector cable as shown in the figure.
18. Shift the selector lever to P position.
19. Turn the manual shaft lever to P position.
20. Connect the selector cable.
21. Inspect for continuity at the TR switch. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION [FS5A-EL].) Transaxle Range (TR) Switch Inspection
^ If not as specified, readjust the TR switch.
22. Connect the TR switch connector.
23. Install the air cleaner component.
24. Connect the negative battery cable.
25. Inspect operation of the TR switch. (See TRANSAXLE RANGE (TR) SWITCH INSPECTION [FS5A-EL].) Transaxle Range (TR) Switch Inspection
^ If not as specified, readjust the TR switch.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.