Honda Odyssey Service Manual: ODS Unit Operation Check

After Replacing Front Passenger's Seat Component(s)

NOTE: Check the ODS unit operation after any of these actions:

  • Front passenger's seat component(s) replacement (except ODS unit and/or front passenger's weight sensor).

  • SRS unit replacement.

  • Remove the front passenger's weight sensor(s).

  • After a vehicle collision.

Pre-Operation Check Set-Up

  • Make sure all the components of the front passenger's seat are correctly installed.

  • Position the front passenger's seat all the way rearward, and adjust the seat-back to the forward most position. Do not move the seat from this position until the output check is completed.

  • Make sure nothing is on the front passenger's seat, including aftermarket seat covers or mats.

  • Make sure there is nothing in the front passenger's seat-back pocket.

  • Keep the windows and the moonroof closed.

  • Do all initialization procedures, except test-driving, in the service bay.

  • Make sure the vehicle is on level ground.

  • Turn the heater and the A/C off.

  • Do not touch the front passenger's seat during the operation check.

  • Do not expose the front passenger's seat to sudden temperature changes.

  • Make sure all aftermarket devices such as amplifiers, fluorescent light, air purifiers, CB or HAM radios, etc. are turned off.


  1. Drive the vehicle, accelerate to 22 mph (36 km/h), then stop on level ground.

  1. Turn the ignition switch to LOCK (0).

  1. Connect the HDS to the data link connector (DLC) (A).

  2. A
  3. Turn the ignition switch to ON (II).

  4. Make sure the HDS communicates with the vehicle and the SRS unit. If it does not communicate, go to the DLC circuit troubleshooting.

  5. From the HDS Main Menu, select SRS, then Inspection. In the Inspection Menu, select AFTER REPLACING FRONT PASSENGER'S SEAT COMPONENT(S). Follow the prompts until the ODS unit operation check has been completed.

  6. Turn the ignition switch to LOCK (0).

  7. Disconnect the HDS from the DLC.

    Front Passenger's Weight Sensor Unit Replacement

    Seat Position Sensors

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