Sienna van door checks need repair

the noise you can hear is the lock/opening actuater, have to strip out door panel and see if the actuater mechanism is intact, and operate as before and look to see what part is trying to move, it may just need lubricating but be prepared to have to have new lock actuator

time for a rebuild or replace

The door handle might be broken, you need a new part. I got mine online for $40. keywords: 2001 2002 2003 2004 2005 2006 2007 Toyota Sequoia Metal Lift Gate Exterior Door Handle for Rear Outside Van Tailgate Handle. You need to remove the back door panel to replace this.

sorry no quick fix ,fault with electrics ,encrypted software dealer only

The door check on the front of the door tears internally and requires rewelding. This repair has had the warranty extended if I recall c

Models:
'04 - '06 Sienna March 23, 2007
TSB REVISION NOTICE :
^ November 28, 2007: The note below the Warranty Information table has been updated. ^ July 6, 2007: The Warranty Information table has been updated with separate "Combo A" Op Codes. ^ May 29, 2007: The Warranty Information has been updated. The note before step 1 of the Repair Procedure has been updated. Previous versions of this TSB should be discarded.
Introduction
Some customers may experience a popping noise when opening and/or closing the front doors on their vehicle. Use the following procedure to diagnose and correct the condition.

Warranty application is limited to correction of a problem based upon a customer's specific complaint. Repair Procedure
NOTE :Inspect the door frame around the door check mounting area. ^ If a spot weld or check mount area is cracked or split, the following repair method CANNOT be performed and the door assembly MUST be replaced. ^ If a door is to be replaced, all hemming flanges and body panel seams MUST be sealed with body seam sealer prior to painting the door assembly. Refer to the Technical Information System (TIS), CRIB (Collision Repair Information Bulletin), "Bulletin # 16:1987 All: Sealing of Hemming Flanges And Body And Panel Seams," and "Bulletin # 44:1991 All: Body Seam And Joint Sealer Application ". (Note that the CRIBs are located within the CR tab of the main TIS screen.) ^ If a spot weld has separated, have a body shop perform the following procedure.