Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

CHECK RADIO AND NAVIGATION ASSY
1. Turn the ignition switch to the ACC position.
2. Keep pressing the "MAP" eject switch for 5 seconds and check if the disc is ejected by forced ejection
  OK: The disc is ejected.
1. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN PROBLEM SYMPTOMS TABLE
2. OK: GO TO NEXT STEP
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked
  OK: No deformations or cracks appear on the map disc.
Fig 1: Identifying Cracked Or Deformed MAP Discs
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPLACE MAP DISC
2. OK: NORMAL OPERATION