Connect the battery voltage and check the rear curtain motor rotation. If the motor does not operate properly, substitute with a known-good rear curtain motor and check for proper operation.
Disconnect the negative (-) battery terminal.
Remove the rear package tray after removing the rear seat.
(Refer to the BD group - "Interior trim")
Remove the connector of the rear curtain and 6 mounting bolts.
Remove the rear curtain (B) from the rear package trim (A).
Install in the reverse order of removal.