A/T Pressure Test (6-Speed A/T)
A/T Pressure Test
Special Tools Required
- Pressure Gauge Adapter 070AJ-RT4A101
- A/T Oil Pressure Gauge Set 07406-0020400 or 07406-0020401
- A/T Pressure Test Hose 07AAJ-PY4A100
- A/T Pressure Adapter 07MAJ-PY40120
NOTE:
- Check for DTCs. If any DTCs are stored, troubleshoot and clear them first.
- Do not allow dust or other foreign particles to enter the port while installing the pressure gauge adapter.
- Disable the VSA by pressing the VSA OFF button.
- Be sure to check the ATF level after each pressure port test. When installing or removing the pressure gauge adapter, ATF may run out of the pressure inspection ports.
- VSA DTC(s) may come on during the test-drive. If the VSA DTC(s) come on, clear the DTC(s) after testing is done with the HDS.
1. Make sure the transmission fluid is filled to the proper level ATF Level Check (6-Speed A/T).
2. Raise the vehicle on a lift, and make sure it is securely supported.
3. Allow the front wheels to rotate freely.
4. Remove the front splash shield Service and Repair.
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. When testing the oil pressure at each inspection port, select a suitable adapter from the following table, and connect each adapter to the pressure gauge assembled in step 8.
Line Pressure Test
10. Install pressure gauge adapter C to the line pressure inspection port (A), then 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. Shift the shift lever to D.
13. With the APP Sensor opening less than 18 % with the HDS in the A/T Data List, measure the low line pressure from the A/T oil pressure gauge.
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, do not 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.
16. Install a new sealing bolt to the line pressure inspection port, and tighten the bolt to 20 Nm (2.0 kg-m, 15 lb-ft). Do not reuse the old sealing bolt.
2nd Clutch Pressure Test
17. Disconnect the transmission fluid pressure switch A (2nd clutch) connector, and remove transmission fluid pressure switch A (2nd clutch).
18. Install transmission fluid pressure switch A (2nd clutch) (B) and the sealing washer (C) to pressure gauge adapter A, then connect the A/T pressure adapter to pressure gauge adapter A.
19. Install pressure gauge adapter E (quick connector) to the 2nd clutch pressure inspection port (B), then connect pressure gauge adapter A to pressure gauge adapter E (quick connector). Connect the transmission fluid pressure switch A (2nd clutch) connector to transmission fluid pressure switch A (2nd clutch).
20. Start the engine, and run the vehicle in 2nd gear in L.
21. Quickly press the accelerator pedal to read the APP Sensor at 20 % or more with the HDS in the A/T Data List. Measure the 2nd clutch pressure from the A/T oil pressure gauge.
NOTE: Do not press the accelerator pedal slowly.
22. Turn the engine off.
23. Disconnect the transmission fluid pressure switch A (2nd clutch) connector from transmission fluid pressure switch A (2nd clutch). Remove the pressure gauge adapters from the 2nd clutch pressure inspection port.
24. Remove transmission fluid pressure switch A (2nd clutch) form pressure gauge adapter A.
25. 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, 15 lb-ft). Do not reuse the old sealing washer.
26. Connect the transmission fluid pressure switch A (2nd clutch) connector.
4th Clutch Pressure Test - Engaging 4th Gear
27. Disconnect the transmission fluid pressure switch C (4th clutch) connector, and remove transmission fluid pressure switch C (4th clutch).
28. Install transmission fluid pressure switch C (4th clutch) (B) and the sealing washer (C) to pressure gauge adapter A, then connect the A/T pressure adapter to pressure gauge adapter A.
29. Install pressure gauge adapter E (quick connector) to the 4th clutch pressure inspection port (B), then connect pressure gauge adapter A to pressure gauge adapter E (quick connector). Connect the transmission fluid pressure switch C (4th clutch) connector to transmission fluid pressure switch C (4th clutch).
30. Start the engine, and run the vehicle in 4th gear in D with the D4 driving mode. Quickly press the accelerator pedal to read the APP Sensor at 20 % or more with the HDS in the A/T Data List. Measure the 4th clutch pressure from the A/T oil pressure gauge.
NOTE: Do not press the accelerator pedal slowly.
31. Bring the engine back to an idle, then apply the brake pedal to stop the wheels from rotating.
4th Clutch Pressure Test - Engaging Reverse Gear
32. Shift to R, then release the brake pedal. Quickly press the accelerator pedal to read the APP Sensor at 20 % or more with the HDS in the A/T Data List. Measure the 4th clutch pressure from the A/T oil pressure gauge.
NOTE: Do not press the accelerator pedal slowly.
33. Turn the engine off.
34. Disconnect the transmission fluid pressure switch C (4th clutch) connector from transmission fluid pressure switch C (4th clutch). Remove the pressure gauge adapters from the 4th clutch pressure inspection port.
35. Remove transmission fluid pressure switch C (4th clutch) from pressure gauge adapter A.
36. 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, 15 lb-ft). Do not reuse the old sealing washer.
37. Connect the transmission fluid pressure switch C (4th clutch) connector.
Torque Converter Clutch Pressure Test
38. Install 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.
39. Start the engine, and run the vehicle in 2nd gear in L. Measure the torque converter clutch pressure while holding the engine speed at 4,000 rpm.
40. Turn the engine off, then remove pressure gauge adapter B from the torque converter clutch pressure inspection port.
41. 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, 15 lbf-ft). Do not reuse the old sealing bolt.
1st Clutch Pressure Test
42. Remove the air intake scoop.
43. Remove the air cleaner Service and Repair.
44. Remove the intake air duct.
45. Install pressure gauge adapter B to the 1st clutch pressure inspection port (A), then connect the A/T pressure adapter to pressure gauge adapter B.
46. Temporarily install the intake air duct and the air cleaner.
47. Start the engine, and run the vehicle in 1st gear in L. Quickly press the accelerator pedal to read the APP Sensor at 20 % or more with the HDS in the A/T Data List. Measure the 1st clutch pressure from the A/T oil pressure gauge.
NOTE: Do not press the accelerator pedal slowly.
48. Turn the engine off, remove the intake air duct and the air cleaner.
49. Remove the pressure gauge adapters from the 1st clutch pressure inspection port.
50. Install a new sealing bolt in the 1st clutch pressure inspection port, and tighten the sealing bolt to 20 Nm (2.0 kg-m, 15 lb-ft). Do not reuse the old sealing bolt.
5th Clutch Pressure Test
51. Install pressure gauge adapter B to the 5th clutch pressure inspection port (A), then connect the A/T pressure adapter to pressure gauge adapter B.
52. Temporarily install the intake air duct and the air cleaner.
53. Use the Hydraulic Pressure Test Mode in the HDS to measure the 5th clutch pressure.
NOTE: Do not release an accelerator pedal at the middle of procedure.
1. Turn the ignition switch to ON (II).
2. Exit the A/T Data List and select the Miscellaneous Test Menu. Select the Hydraulic Pressure Test Mode. Select the 5th.
NOTE:
- Do not press the brake pedal while doing this test mode.
- This test mode is finished in 5 minutes.
3. Using the parking brake, start the engine, and shift to D. Then press the accelerator pedal until the transmission shifts into 5th gear with the engine speed less than 3,000 rpm. Make sure that the HDS indicates 5th Gear.
NOTE: Do not raise the engine speed more than 3,000 rpm.
4. Quickly press the accelerator pedal to obtain the APP Sensor at 20 % or more. Measure the 5th clutch pressure from the A/T oil pressure gauge.
NOTE: Do not press the accelerator pedal slowly.
5. Slow down, and stop the wheels. Shift to P, and turn the engine off.
54. Remove the intake air duct and the air cleaner.
55. Remove the pressure gauge adapters from the 5th clutch pressure inspection port.
56. Install a new sealing bolt in the 5th clutch pressure inspection port, and tighten the sealing bolt to 20 Nm (2.0 kg-m, 15 lb-ft). Do not reuse the old sealing bolt.
3rd Clutch Pressure Test
57. Install pressure gauge adapter D to the 3rd clutch pressure inspection port (A), then connect the A/T pressure adapter to pressure gauge adapter D.
58. Temporarily install the intake air duct and the air cleaner.
59. Use the Hydraulic Pressure Test Mode in the HDS to measure the 3rd clutch pressure.
NOTE: Do not release an accelerator pedal at the middle of procedure.
1. Turn the ignition switch to ON (II).
2. Select the 3rd in the Hydraulic Pressure Test Mode with the HDS.
NOTE:
- Do not press the brake pedal while doing this test mode.
- This test mode is finished in 5 minutes.
3. Using the parking brake, start the engine, and shift to D. Then press the accelerator pedal until the transmission shifts into 3rd gear with the engine speed less than 3,000 rpm. Make sure that the HDS indicates 3rd Gear.
NOTE: Do not raise the engine speed more than 3,000 rpm.
4. Quickly press the accelerator pedal to obtain the APP Sensor at 20 % or more. Measure the 3rd clutch pressure from the A/T oil pressure gauge.
NOTE: Do not press the accelerator pedal slowly.
5. Slow down, and stop the wheels. Shift to P, and turn the engine off.
60. Remove the intake air duct and the air cleaner.
61. Remove the pressure gauge adapters from the 3rd clutch pressure inspection port.
62. Install a new sealing bolt in the 3rd clutch pressure inspection port, and tighten the sealing bolt to 27 Nm (2.8 kg-m, 20 lb-ft). Do not reuse the old sealing bolt.
6th Clutch Pressure Test
63. Install pressure gauge adapter D to the 6th pressure inspection port (A), then connect the A/T pressure adapter to pressure gauge adapter D.
64. Temporarily install the intake air duct and the air cleaner.
65. Start the engine, and run the vehicle in 6th gear in D. Quickly press the accelerator pedal to read the APP Sensor at 20 % or more with the HDS in the A/T Data List. Measure the 6th clutch pressure from the A/T oil pressure gauge.
NOTE: Do not press the accelerator pedal slowly.
66. Turn the engine off, then remove the intake air duct and the air cleaner.
67. Remove the pressure gauge adapters from the 6th clutch pressure inspection port.
68. Install a new sealing bolt in the 6th clutch pressure inspection port, and tighten the sealing bolt to 27 Nm (2.8 kg-m, 20 lb-ft). Do not reuse the old sealing bolt.
69. Install the intake air duct.
70. Install the air cleaner Service and Repair.
71. Install the air intake scoop.
72. If any of the pressures are out of the service limit, refer to the problems and probable causes listed in the table.
73. Install the front splash shield Service and Repair.
74. Check the ATF level ATF Level Check (6-Speed A/T).
75. Do an all DTC check with the HDS. If necessary, clear the DTC(s) with the HDS.