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Home >> Mazda >> 2022 >> MX-5 Miata RF Club >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transaxle (Service Information)) >> Transmission Range (Tr) Switch Removal/Installation

Transmission Range (Tr) Switch Removal/Installation

WARNING: This page is about a different variant/trim than selected.
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.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the selector lever knob. (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION .)
  3. Remove the shift panel component. (See SHIFT PANEL REMOVAL/INSTALLATION .)
  4. Remove the upper panel. (See UPPER PANEL REMOVAL/INSTALLATION .)
  5. Remove the parking brake lever boot panel. (See PARKING BRAKE LEVER BOOT PANEL REMOVAL/INSTALLATION .)
  6. Remove the rear console. (See REAR CONSOLE REMOVAL/INSTALLATION .)
  7. Remove the front console panel. (See FRONT CONSOLE PANEL REMOVAL/INSTALLATION .)
  8. Remove the front console component. (See FRONT CONSOLE REMOVAL/INSTALLATION .)
  9. Disconnect the connector and wiring harness clip.
    G14589471Courtesy of MAZDA MOTORS CORP.
  10. Place a clean rag behind the engine so that the engine does not contact the rear housing when it is tilted.
    G14589182Courtesy of MAZDA MOTORS CORP.
  11. Remove the front crossmember under cover. (See FRONT CROSSMEMBER UNDER COVER REMOVAL/INSTALLATION .)
  12. Disconnect the control rod from the selector lever component. (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION .)
  13. Remove the tunnel member.
    G14589473Courtesy of MAZDA MOTORS CORP.
  14. Disconnect the HO2S connector. (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
  15. Disconnect the TWC from the exhaust manifold (WU-TWC). (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
  16. Suspend the TWC using a cable as shown in the illustration.
    G14589199Courtesy of MAZDA MOTORS CORP.
  17. Remove the power plant frame. (See POWER PLANT FRAME REMOVAL [M66M-D] .)
  18. Tilt the transmission while being careful not to allow parts on the back of the engine to contact the vehicle body.
  19. Remove the insulator.
    G14589475Courtesy of MAZDA MOTORS CORP.
  20. Disconnect the TR switch connector.
    G14589476Courtesy of MAZDA MOTORS CORP.
  21. Rotate the manual shaft to the N position.
  22. Secure the control rod component with an adjustable wrench as shown in the illustration.
    G14589477Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not use an impact wrench.
    • When loosening the control rod nut, secure the control rod component without applying torque within the AT.
  23. Remove the control rod nut.
    G14589478Courtesy of MAZDA MOTORS CORP.
  24. Remove the washer and control rod component.
  25. Pry off the lock washer using a flathead screwdriver.
    G14589479Courtesy of MAZDA MOTORS CORP.
  26. Remove the nut and lock washer.
    G14589480Courtesy of MAZDA MOTORS CORP.
  27. Remove the TR switch.
    G14589481Courtesy of MAZDA MOTORS CORP.
  28. Rotate the manual shaft to the extension housing side fully and return two notches to set the N position.
    G14589482Courtesy of MAZDA MOTORS CORP.
  29. Install the TR switch and hand-tighten the new mounting bolt.
    G14589483Courtesy of MAZDA MOTORS CORP.
  30. Verify the TR switch reference line and the notch of the manual shaft are aligned.
    G14589484Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Improper adjustment of the TR switch will cause abnormal operation of the automatic transmission. Always adjust the TR switch correctly.
  31. Install the lock washer with the nut.
    G14589485Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    5.9-7.8 N.m {61-79 kgf.cm, 53-69 in.lbf}

  32. Stake the lock washer using a flathead screwdriver.
    G14589486Courtesy of MAZDA MOTORS CORP.
  33. Tighten the TR switch mounting bolts.

    Tightening torque 

    10-15 N.m {102-152 kgf.cm, 89-132 in.lbf}

  34. Inspect for continuity between TR switch terminals E and H.
    G14589487Courtesy of MAZDA MOTORS CORP.
  35. Install the control rod component and washer.
    G14589488Courtesy of MAZDA MOTORS CORP.
  36. Secure the control rod component with an adjustable wrench and tighten the control rod nut as shown in the illustration.
    G14589489Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not use an impact wrench.
    • When tightening the control rod nut, secure the control rod component without applying torque within the AT.

    Tightening torque 

    14-18 N.m {1.5-1.8 kgf.m, 11-13 ft.lbf}

  37. Shift the selector lever to the P position.
  38. Turn the manual shaft lever to the P position.
  39. Inspect TR switch continuity. (See TRANSMISSION RANGE (TR) SWITCH INSPECTION .)
  40. Connect the TR switch connector.
    G14589490Courtesy of MAZDA MOTORS CORP.
  41. Install the insulator using the following procedure.
    1. Temporarily tighten bolt B.
      G14589491Courtesy of MAZDA MOTORS CORP.
    2. Install the insulator and temporarily tighten bolts A and C in the order of A and C.
      G14589492Courtesy of MAZDA MOTORS CORP.
    3. Completely tighten bolts A, B, and C in the order of A, B, C.

      Tightening torque 

      19-25 N.m {2.0-2.5 kgf.m, 15-18 ft.lbf}

  42. Install the power plant frame. (See POWER PLANT FRAME INSTALLATION [M66M-D] .)
  43. Remove the tunnel member temporarily.
    G14589493Courtesy of MAZDA MOTORS CORP.
  44. Connect the TWC to the exhaust manifold (WU-TWC). (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
  45. Connect the HO2S connector. (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
  46. Install the tunnel member.
    Fig 1: Tunnel Member Bolts With Torque Specification
    G14589494Courtesy of MAZDA MOTORS CORP.
  47. Connect the control rod from the selector lever component. (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION .)
  48. Install the front crossmember under cover. (See FRONT CROSSMEMBER UNDER COVER REMOVAL/INSTALLATION .)
  49. Connect the connector and wiring harness clip.
    G14589495Courtesy of MAZDA MOTORS CORP.
  50. Install the front console component. (See FRONT CONSOLE REMOVAL/INSTALLATION .)
  51. Install the front console panel. (See FRONT CONSOLE PANEL REMOVAL/INSTALLATION .)
  52. Install the rear console. (See REAR CONSOLE REMOVAL/INSTALLATION .)
  53. Install the parking brake lever boot panel. (See PARKING BRAKE LEVER BOOT PANEL REMOVAL/INSTALLATION .)
  54. Install the upper panel. (See UPPER PANEL REMOVAL/INSTALLATION .)
  55. Install the shift panel component. (See SHIFT PANEL REMOVAL/INSTALLATION .)
  56. Install the selector lever knob. (See AUTOMATIC TRANSMISSION SHIFT MECHANISM REMOVAL/INSTALLATION .)
  57. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  58. Inspect TR switch operation. (See TRANSMISSION RANGE (TR) SWITCH INSPECTION .)
  59. Perform the "Initial Learning" (TR switch replacement). (See INITIAL LEARNING PROCEDURE .)
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