Secondary HO2S Replacement

Special Tools Required 

O2 Sensor Wrench Snap-on YA8875 or O2 Sensor Wrench, E19 SP Tools 93750 or equivalent, commercially available

1. Raise the vehicle on a lift.
2. Remove the WU-TWC bracket (A).

   Without SH-AWD 

   Fig 1: WU-TWC Bracket And Mounting Bolts With Torque Specifications (Without SH-AWD)

   Courtesy of AMERICAN HONDA MOTOR CO., INC.

   With SH-AWD 

   Fig 2: WU-TWC Bracket And Mounting Bolts With Torque Specifications (With SH-AWD)

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
3. Disconnect the secondary HO2S 4P connector (A), then remove the secondary HO2S (B).
   Fig 3: Secondary HO2S And 4P Connector With Torque Specifications

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
4. Install the parts in the reverse order of removal.