4th Clutch Transmission Fluid Pressure Switch Replacement

Remove the intake manifold cover and the intake air duct.
Remove the bolt securing the harness cover (A).

Fig 1: Harness Connectors And Harness Cover With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the harness clamp (B) from the harness cover/clamp bracket (C), disconnect the 4th clutch transmission fluid pressure switch connector (D), then remove the harness cover from the bracket.
Remove the bolts securing the harness cover (A) and the harness cover/clamp bracket (B).

Fig 2: Harness Cover And Bracket With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the 4th clutch transmission fluid pressure switch (A) and sealing washer (B).

Fig 3: 4th Clutch Transmission Fluid Pressure Switch And Sealing Washer With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the new 4th clutch transmission fluid pressure switch and a new sealing washer, and tighten the switch.
Make sure there is no water, oil, dust, or foreign particles inside the connector.
Secure the harness cover and harness cover/clamp bracket with the bolts, and install the harness clamp on the bracket.
Install the harness cover on the cover bracket, and secure it with the bolt.
Connect the connector securely.
Install the intake air duct and the intake manifold cover.