Section 456 (Sliding Roof System - Diagnostics): Pre-Check

WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

Check using hand-held tester .
1. Connect the hand-held tester to the DLC3.
2. Select the DATA LIST mode on he hand-held tester.
  Sliding Roof ECU
  
  Fig 1: Reviewing Sliding Roof ECU Information (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Make a judgement of good or bad and find out a malfunctioning part by the Active Test
  Sliding Roof ECU
  
  Fig 2: Reviewing Sliding Roof ECU Information (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002