Inspection Procedure

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