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.
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HOMESERVICE MANUALSMAZDA1999PROTEGE LX L4-1.6L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTRANSMISSION POSITION SENSOR/SWITCHSERVICE AND REPAIR
1999 Mazda Protege LX L4-1.6L DOHC
Transmission Position Sensor/Switch: Service and Repair
1999 Mazda Protege LX L4-1.6L DOHCSECTION Service and Repair
Transaxle Range (TR) Switch Removal/Installation
1. Disconnect the negative battery cable.
2. Remove the fresh air duct and air cleaner component.
3. Remove the splash shield.
4. Disconnect the TR switch connector.
5. 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.
6. Set the adjustable wrench as shown to hold the manual shaft lever.
7. Remove the manual shaft nut and washer.
8. Remove the manual shaft lever.
9. Remove the TR switch.
10. Rotate the manual shaft to the converter housing side fully, then return 2 notches to set the N position.
11. Align the protrusion and mark as shown.
12. Install the TR switch while aligning the protrusion and groove as shown.
13. Turn the TR switch so that the neutral hole is in line with the flat, straight surfaces on either side of the manual shaft.
14. Hand-tighten the TR switch bolts.
15. Perform the TR switch adjustment.
16. Install the manual shaft lever and washer.
Caution: Do not use an impact wrench. Hold the manual shaft lever when tightening the manual shaft nut, or the transaxle may be damaged.
17. Set the adjustable wrench as shown to hold the manual shaft lever.
18. Tighten the manual shaft nut using a torque wrench.
Tightening torque 32 - 46 Nm (3.2 - 4.7 kgf-m, 24 - 33 ft. lbs.)
19. Install the clip as shown in the figure.
20. Verify that the selector lever range position and TR switch are aligned, then connect the selector cable.
21. Inspect for continuity at the TR switch.
22. Connect the TR switch connector.
23. Install the splash shield.
24. Install the air cleaner component and fresh air duct.
25. Connect the negative battery cable.
26. Inspect operation of the TR switch.
1. Disconnect the negative battery cable.
2. Remove the fresh air duct and air cleaner component.
3. Remove the splash shield.
4. Disconnect the TR switch connector.
5. 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.
6. Set the adjustable wrench as shown to hold the manual shaft lever.
7. Remove the manual shaft nut and washer.
8. Remove the manual shaft lever.
9. Remove the TR switch.
10. Rotate the manual shaft to the converter housing side fully, then return 2 notches to set the N position.
11. Align the protrusion and mark as shown.
12. Install the TR switch while aligning the protrusion and groove as shown.
13. Turn the TR switch so that the neutral hole is in line with the flat, straight surfaces on either side of the manual shaft.
14. Hand-tighten the TR switch bolts.
15. Perform the TR switch adjustment.
16. Install the manual shaft lever and washer.
Caution: Do not use an impact wrench. Hold the manual shaft lever when tightening the manual shaft nut, or the transaxle may be damaged.
17. Set the adjustable wrench as shown to hold the manual shaft lever.
18. Tighten the manual shaft nut using a torque wrench.
Tightening torque 32 - 46 Nm (3.2 - 4.7 kgf-m, 24 - 33 ft. lbs.)
19. Install the clip as shown in the figure.
20. Verify that the selector lever range position and TR switch are aligned, then connect the selector cable.
21. Inspect for continuity at the TR switch.
22. Connect the TR switch connector.
23. Install the splash shield.
24. Install the air cleaner component and fresh air duct.
25. Connect the negative battery cable.
26. Inspect operation of the TR switch.
RENDER: 1.0x
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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.