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Pressure Test

Special Tools Required 

  1. Make sure the transmission fluid is filled to the proper level (see ATF LEVEL CHECK ).
  2. Raise the vehicle, and make sure it is securely supported.
  3. Allow all four wheels to rotate freely.
  4. Remove the splash shield.
  5. Connect the HDS to the DLC (A), and go to the A/T data list. If the HDS does not communicate with the PCM, troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ).
    Fig 1: Locating Data Link Connector
    G06164431Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Connect the oil pressure gauge to the line pressure inspection hole (A). Do not allow dust or other foreign particles to enter the hole while connecting the gauge.
    Fig 2: Identifying Oil Pressure Gauge And Line Pressure Inspection Hole
    G06164432Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Start the engine, and warm it up to normal operating temperature (the radiator fan comes on).
  8. Measure the line pressure at the line pressure inspection port (A) in the P or N position while holding the engine speed at 2,000 rpm.
    NOTE: Higher pressure may be indicated if measurements are made in the shift lever position other than P or N.
    FLUID PRESSURE REFERENCE CHART

    Pressure Fluid Pressure
    Standard Service Limit
    Line (A) 950-1,010 kPa
    (9.7-10.3 kgf/cm2 , 140-146 psi)
    900 kPa
    (9.2 kgf/cm2 , 130 psi)
  9. Turn the engine off, then disconnect the oil pressure gauge from the line pressure inspection port.
  10. Install the sealing bolt to the line pressure inspection port with a new sealing washer, and tighten the bolt to 18 N.m (1.8 kgf.m, 13 lbf.ft). Do not reuse the old sealing washer.
  11. Connect the oil pressure gauge to the 1st clutch pressure inspection port (B) and the 1st-hold clutch pressure inspection port (C).
    Fig 3: Locating 1st Clutch Pressure Inspection Port And 1st-Hold Clutch Pressure Inspection Port
    G06164433Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Remove the air cleaner (see THROTTLE BODY CLEANING ), and connect the oil pressure gauge to the 2nd clutch pressure inspection port (D). Then temporarily install the air cleaner.
    Fig 4: Locating 2nd Clutch Pressure Inspection Port
    G06164434Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Start the engine, disable the VSA by pressing the VSA OFF switch, then shift into S.
  14. Pull the paddle shifter + (upshift switch), and make sure the transmission is in 1st gear. Measure the 1st clutch pressure at the 1st clutch pressure inspection port and 1st-hold clutch pressure at the 1st-hold clutch pressure inspection port while holding the engine speed at 2,000 rpm.
  15. Upshift to 2nd gear by pulling the paddle shifter+, and measure the 2nd clutch pressure at the 2nd clutch pressure inspection port while holding the engine speed at 2,000 rpm.
    FLUID PRESSURE REFERENCE CHART

    Pressure Fluid Pressure
    Standard Service Limit
    1st clutch (B)
    2nd clutch (D)
    940-1,020 kPa
    (9.6-10.4 kgf/cm2 , 140-148 psi)
    890 kPa
    (9.1 kgf/cm2 , 130 psi)
    1st-hold clutch (C) 680-760 kPa
    (6.9-7.7 kgf/cm2 , 98-110 psi)
    630 kPa
    (6.4 kgf/cm2 , 91 psi)
  16. Turn the engine off, remove the air cleaner, then disconnect the oil pressure gauges from the 1st clutch pressure, 1st-hold clutch pressure, and 2nd clutch pressure inspection ports.
  17. Install the sealing bolts in the 1st clutch pressure, 1st-clutch hold clutch pressure, and 2nd clutch pressure inspection ports with new sealing washers, and tighten the bolts to 18 N.m (1.8 kgf.m, 13 lbf.ft). Do not reuse the old sealing washers.
  18. Install the air cleaner (see THROTTLE BODY CLEANING ).
  19. Connect the oil pressure gauge to the 3rd clutch pressure inspection port (E) and the 5th clutch pressure inspection port (G).
    Fig 5: Locating 3rd Clutch Pressure Inspection Port And 5th Clutch Pressure Inspection Port
    G06164435Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Connect the oil pressure gauge to the 4th clutch pressure inspection port (F).
    Fig 6: Locating 4th Clutch Pressure Inspection Port
    G06164436Courtesy of AMERICAN HONDA MOTOR CO., INC.
  21. Start the engine, disable the VSA by pressing the VSA OFF switch, then shift into S.
  22. Upshift to 3rd gear by pulling the paddle shifter +, and measure the 3rd clutch pressure at the 3rd clutch pressure inspection port while holding the engine speed at 2,000 rpm.
  23. Upshift to 4th gear by pulling the paddle shifter +, and measure the 4th clutch pressure at the 4th clutch pressure inspection port while holding the engine speed at 2,000 rpm.
  24. Upshift to 5th gear by pulling the paddle shifter +, and measure the 5th clutch pressure at the 5th clutch pressure inspection port while holding the engine speed at 2,000 rpm.
    FLUID PRESSURE REFERENCE CHART

    Pressure Fluid Pressure
    Standard Service Limit
    3rd clutch (E)
    4th clutch (F)
    5th clutch (G)
    940-1,020 kPa
    (9.6-10.4 kgf/cm2 , 140-148 psi)
    890 kPa
    (9.1 kgf/cm2 , 130 psi)
  25. Bring the engine back to an idle, then apply the brake pedal to stop the wheels from rotating.
  26. Shift to R, then release the brake pedal. Raise the engine speed to 2,000 rpm, and measure the 5th clutch pressure at the 5th clutch pressure inspection port.
    FLUID PRESSURE REFERENCE CHART

    Pressure Fluid Pressure
    Standard Service Limit
    5th clutch (G) in R 940-1,020 kPa
    (9.6-10.4 kgf/cm2 , 140-148 psi)
    890 kPa
    (9.1 kgf/cm2 , 130 psi)
  27. Turn the engine off, then disconnect the oil pressure gauges from the 3rd, 4th, and 5th clutch pressure inspection ports.
  28. Install the sealing bolts in the 3rd, 4th, and 5th clutch pressure inspection ports with new sealing washers, and tighten the bolts to 18 N.m (1.8 kgf.m, 13 lbf.ft). Do not reuse the old sealing washers.
  29. If any of the pressures are out of the service limit, refer to the problems and probable causes listed in the table.
    PROBLEMS AND PROBABLE CAUSES REFERENCE CHART

    Problem Probable causes
    No or low line pressure
    • Torque converter
    • ATF pump
    • Regulator valve
    • Torque converter check valve
    • Clogged ATF strainer
    No or low 1st clutch pressure
    • 1st clutch
    • O-rings
    No or low 2nd clutch pressure
    • 2nd clutch
    • O-rings
    No or low 3rd clutch pressure
    • 3rd clutch
    • O-rings
    No or low 4th clutch pressure
    • 4th clutch
    • O-rings
    No or low 5th clutch pressure
    • 5th clutch
    • O-rings
    No or low 5th clutch pressure in the R position
    • Servo valve
    • 5th clutch
    • O-rings
    No or low 1st-hold clutch pressure
    • 1st-hold clutch
    • O-rings
  30. Install the splash shield.
  31. Retrieve any ABS DTCs with the HDS, and clear them.