Honda Odyssey Service Manual: HID Unit Replacement

Turn the combination light switch OFF.

Make sure the ignition switch is in LOCK (0) position, then do the battery terminal disconnection procedure.

Remove the headlight assembly.

Remove the three mounting screws and the HID unit (A).

Disconnect the 4P connector (B) from the HID unit.

Inspect the gasket (C) for damage. If damaged, replace it.

Install the HID unit in the reverse order of removal.

Do the battery terminal reconnection procedure.

After replacement, adjust the headlights.