A/T Pressure Test

A/T Pressure Test

Special Tools Required

- A/T Oil Pressure Gauge Set 07406-0020400 or 07406-0020401
- A/T Pressure Test Hose 07AAJ-PY4A100
- A/T Pressure Adapter 07MAJ-PY40120
- Pressure Gauge Adapter 070AJ-RT4A100

NOTE:

- Disable the VSA by pressing the VSA OFF button.
- VSA DTC(s) may come on during the test-drive. If the VSA DTC(s) come on, clear the DTC(s) with the HDS.

1. Make sure the transmission fluid is filled to the proper level ATF Level Check.

2. Raise the vehicle on a lift, and make sure it is securely supported.

3. Allow all four wheels to rotate freely.

4. Remove the front undercover (A) and the splash shield (B).






5. Connect the HDS to the DLC (A) located under the driver's side of the dashboard.





6. Turn the ignition switch to ON (II).

7. Make sure the HDS communicates with the PCM, and go to the A/T Data List. If it does not, go to the DLC circuit troubleshooting Testing and Inspection.

8. Connect the A/T pressure adapter to the A/T pressure test hose, then connect the A/T pressure test hose to the A/T oil pressure gauge set.






9. Connect the pressure gauge adapter to the A/T pressure adapter.










10. Connect pressure gauge adapter C to the line pressure inspection port (A). Do not allow dust or other foreign particles to enter the port while connecting pressure gauge adapter C. Connect the A/T pressure adapter to pressure gauge adapter C.






11. Start the engine in P, and warm it up to normal operating temperature (ATF temperature between 122 °F and 212 °F (50 °C and 100 °C)).

12. Move the shift lever to D.

13. Measure the low line pressure when the APP Sensor opening less than 18 % with the HDS in the A/T Data List.

14. Measure the normal line pressure while holding the engine speed at 2,000 rpm with the shift lever in P or N.

NOTE: When measuring the normal line pressure, don't measure with the shift lever in other than P or N.






15. Turn the engine off, then disconnect pressure gauge adapter C from the line pressure inspection port. Disconnect pressure gauge adapter C from the A/T pressure adapter.

16. Install a new sealing bolt on the line pressure inspection port, and tighten the bolt to 20 Nm (2.0 kg-m, 14 lb-ft). Do not reuse the old sealing bolt.

17. Remove the intake air duct and the air cleaner housing.

18. Connect pressure gauge adapter B to the 1st clutch pressure inspection port (A) and the 5th clutch pressure inspection port (C), then connect the A/T pressure adapter to pressure gauge adapter B.





19. Disconnect the transmission fluid pressure switch A (2nd clutch) connector, and remove transmission fluid pressure switch A (2nd clutch).

20. Install pressure gauge adapter E (quick connector) to the 2nd clutch pressure inspection port (A).






21. Install transmission fluid pressure switch A (2nd clutch) (B) and the washer (C) to pressure gauge adapter A, then connect the A/T pressure adapter to pressure gauge adapter A. Connect pressure gauge adapter A to pressure gauge adapter E (quick connector).





22. Connect the transmission fluid pressure switch A (2nd clutch) connector to transmission fluid pressure switch A (2nd clutch).

23. Temporarily install the intake air duct and the air cleaner housing.

24. Start the engine, and run the vehicle with sequential sportshift mode in 2nd gear.

25. Measure the 1st and 2nd clutch pressures when the APP Sensor opening 20 % or more by quickly pressing on the accelerator pedal with the HDS in the A/T Data List.

NOTE: Do not press on the accelerator pedal slowly.

26. Upshift to 5th gear by pressing the paddle shifter + (upshift switch), and measure the 5th clutch pressure when the APP Sensor opening 20 % or more by quickly pressing on the accelerator pedal with the HDS in the A/T Data List.

NOTE: Do not press on the accelerator pedal slowly.






27. Turn the engine off, remove the air cleaner housing and the intake air duct.

28. Disconnect the transmission fluid pressure switch A (2nd clutch) connector from transmission fluid pressure switch A (2nd clutch). Disconnect the pressure gauge adapters from the 1st, 2nd, and 5th clutch pressure inspection ports. Disconnect the pressure gauge adapters from the A/T pressure adapter, then disconnect pressure gauge adapter E (quick connector) from pressure gauge adapter A.

29. Remove transmission fluid pressure switch A (2nd clutch) from pressure gauge adapter A.

30. Install transmission fluid pressure switch A (2nd clutch) and a new sealing washer, and tighten transmission fluid pressure switch A (2nd clutch) to 20 Nm (2.0 kg-m, 14 lb-ft). Do not reuse the old sealing washer.

31. Connect the transmission fluid pressure switch A (2nd clutch) connector.

32. Install new sealing bolts in the 1st and 5th clutch pressure inspection ports, and tighten the sealing bolts to 20 Nm (2.0 kg-m, 14 lb-ft). Do not reuse the old sealing bolts.

33. Connect pressure gauge adapter D to the 3rd pressure inspection port (A) and the 6th pressure inspection port (B), then connect the A/T pressure adapter to pressure gauge adapter D.





34. Disconnect the transmission fluid pressure switch C (4th clutch) connector, and remove transmission fluid pressure switch C (4th clutch).

35. Install pressure gauge adapter E (quick connector) to the 4th clutch pressure inspection port (A).






36. Install transmission fluid pressure switch C (4th clutch) (B) and the washer (C) to pressure gauge adapter A, then connect the A/T pressure adapter to pressure gauge adapter A. Connect pressure gauge adapter A to pressure gauge adapter E (quick connector).






37. Connect the transmission fluid pressure switch C (4th clutch) connector to transmission fluid pressure switch C (4th clutch).

38. Temporarily install the intake air duct and the air cleaner housing.

39. Start the engine, and run the vehicle with the sequential sportshift mode in 3rd gear.

40. Measure the 3rd clutch pressure when the APP Sensor opening 20 % or more by quickly pressing on the accelerator pedal with the HDS in the A/T Data List.

NOTE: Do not press on the accelerator pedal slowly.

41. Upshift to 4th gear by pressing the paddle shifter + (upshift switch), and measure the 4th clutch pressure when the APP Sensor opening 20 % or more by quickly pressing on the accelerator pedal with the HDS in the A/T Data List.

NOTE: Do not press on the accelerator pedal slowly.

42. Upshift to 6th gear by pressing the paddle shifter + (upshift switch), and measure the 6th clutch pressure when the APP Sensor opening 20 % or more by quickly pressing on the accelerator pedal with the HDS in the A/T Data List.

NOTE: Do not press on the accelerator pedal slowly.






43. Bring the engine back to an idle, then apply the brake pedal to stop the wheels from rotating.

44. Shift to R, then release the brake pedal. Measure the 4th clutch pressure when the APP Sensor opening 20 % or more by quickly pressing on the accelerator pedal with the HDS in the A/T Data List.

NOTE: Do not press on the accelerator pedal slowly.






45. Turn the engine off, then remove the intake air duct and the air cleaner housing.

46. Disconnect the transmission fluid pressure switch C (4th clutch) connector. Disconnect the pressure gauge adapters from the 3rd, 4th, and 6th clutch pressure inspection ports. Disconnect the pressure gauge adapter from the A/T pressure adapters, then disconnect pressure gauge adapter A.

47. Remove transmission fluid pressure switch C (4th clutch) from pressure gauge adapter A.

48. Install transmission fluid pressure switch C (4th clutch) and a new sealing washer, and tighten transmission fluid pressure switch C (4th clutch) to 20 Nm (2.0 kg-m, 14 lb-ft). Do not reuse the old sealing washer.

49. Connect the transmission fluid pressure switch C (4th clutch) connector.

50. Install new sealing bolts in the 3rd and 6th clutch pressure inspection ports, and tighten the sealing bolts to 27 Nm (2.8 kg-m, 20 lb-ft). Do not reuse the old sealing bolts.

51. Install the intake air duct and the air cleaner housing.

52. Connect pressure gauge adapter B to the torque converter clutch pressure inspection port (A), then connect the A/T pressure adapter to pressure gauge adapter B.






53. Start the engine, and run the vehicle with sequential sportshift mode in 2nd gear.

54. Measure the torque converter clutch pressure while holding the engine speed at 4,000 rpm.






55. Turn the engine off, then disconnect pressure gauge adapter B from the torque converter clutch pressure inspection port. Disconnect pressure gauge adapter B from the A/T pressure adapter.

56. Install a new sealing bolt to the torque converter clutch pressure inspection port, and tighten the sealing bolt to 20 N-m (2.0 kgf-m, 14 lbf-ft). Do not reuse the old sealing bolt.

57. If any of the pressures are out of the service limit, refer to the problems and probable causes listed in the table.






58. Install the splash shield Splash Shield Replacement and the front undercover Front Undercover Replacement.