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Shift Solenoid Valve Test

  1. Connect the HDS to the DLC (A).
    Fig 1: Identifying Data Link Connector
    G06768415Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Select Shift Solenoid A, B, C, and D Test in Miscellaneous Test Menu on the HDS.
    NOTE: If the HDS does not communicate with the PCM, troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ).
  3. Check that the shift solenoid valve A, B, C, and D operate with the HDS. A clicking sound should be heard.
    • If a clicking sound is heard, the valves are OK. The test is complete, disconnect the HDS.
    • If no clicking sound is heard, go to step 4, and test the solenoid valve.
  4. Raise the vehicle on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
  5. Remove the splash shield.
    Fig 2: Identifying Splash Shield Fastners
    G06768416Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Disconnect the shift solenoid harness connector.
    Fig 3: Identifying Shift Solenoid Harness Connector
    G06768417Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Measure shift solenoid valve resistance between shift solenoid harness connector terminals below and body ground:
    • No. 1: Shift solenoid valve C
    • No. 2: Shift solenoid valve B
    • No. 5: Shift solenoid valve A
    • No. 8: Shift solenoid valve D

    Standard: 12-25 Ω 

    • If the resistance is within the standard, go to step 8 and check solenoid valve for a clicking sound.
    • If the resistance is out of standard, go to step  9.
  8. Connect a jumper wire from the negative battery terminal to the body ground, and connect another jumper wire from the positive battery terminal to each shift solenoid harness connector terminal individually. A clicking sound should be heard.
    • If a clicking sound is heard, the valves are OK. The test is complete, connect the connector.
    • If no clicking sound is heard, go to step 9 and test shift solenoid valves.
  9. Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
    Fig 4: Drain Plug With Torque Specifications
    G06768418Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Reinstall the drain plug with a new sealing washer (B).
  11. Remove the shift solenoid valve cover (A), the dowel pins (B), and the gasket (C).
    Fig 5: Removing Shift Solenoid Valve Cover, Dowel Pins, And Gasket With Torque Specifications
    G06768419Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Disconnect the connectors from shift solenoid valve A, shift solenoid valve B, shift solenoid valve C, and shift solenoid valve D.
    Fig 6: Disconnecting Connectors From Shift Solenoid Valve A, Shift Solenoid Valve B, Shift Solenoid Valve C, And Shift Solenoid Valve D
    G06768420Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Measure the resistance of each solenoid valve between the connector terminal and body ground.

    Standard: 12-25 Ω 

    • If the resistance is out of standard, go to step  16 and replace shift solenoid valve.
    • If the resistance is within the standard, go to step 14 and check solenoid valve for a clicking sound.
  14. Connect a jumper wire from the negative battery terminal to the body ground, and connect another jumper wire from the positive battery terminal to each solenoid valve terminal individually.
    • If a clicking sound is heard, go to step 15 and replace the shift solenoid harness.
    • If no clicking sound is heard, go to step  1 and replace shift solenoid valve.
  15. Remove the shift solenoid harness connector (A), and replace it. Install a new O-ring (B) on the shift solenoid harness connector, and install the connector in the transmission housing, then go to step  21.
    Fig 7: Removing Shift Solenoid Harness Connector With Torque Specifications
    G06768421Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Remove the mounting bolts, then hold the solenoid valve body and remove the solenoid valves. Do not hold the connector to remove the solenoid valve.
    Fig 8: Removing Solenoid Valves With Torque Specifications
    G06768422Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Install new O-rings (two O-rings per solenoid valve) (E) on the reused solenoid valve.
    NOTE: A new solenoid valve comes with new O-rings. If you install a new solenoid valve, use the O-rings provided on it.
  18. Install shift solenoid valve D (black connector) and shift solenoid valve C (brown connector) by holding the shift solenoid valve body; make sure the mounting bracket contacts the servo body.
    NOTE: Do not hold the solenoid valve connector to install the solenoid valve. Be sure to hold the solenoid valve body.
  19. Install shift solenoid valve B (black connector) by holding the solenoid valve body; make sure the mounting bracket contacts the servo body.
  20. Install shift solenoid valve A (brown connector) by holding the shift solenoid valve body; make sure the mounting bracket contacts the bracket of shift solenoid valve B.
    NOTE: Do not install shift solenoid valve A before installing shift solenoid valve B. If shift solenoid valve A is installed before installing shift solenoid valve B, it may damage the hydraulic control system.
  21. Connect the harness terminals to the solenoids:
    • BLU wire connector to shift solenoid valve A.
    • ORN wire connector to shift solenoid valve B.
    • GRN wire connector to shift solenoid valve C.
    • YEL wire connector to shift solenoid valve D.
  22. Install the shift solenoid valve cover, the dowel pins, and a new gasket.
  23. Check the connector for rust, dirt, or oil, then connect the connector securely.
  24. Refill the transmission with ATF (see (see step  6 ).
  25. Install the splash shield.
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