Inspection Procedure

CHECK NAVIGATION RECEIVER ASSEMBLY
1. Check if a disc is inserted into the MAP disc slot.
  1. Check if "DISC IN" comes on.
  OK: "DISC IN" comes on.
  
  NG: EJECT DISC
  
  OK: Go to Next Step
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks on the map disc.
  
  NG: REPLACE MAP DISC
  
  Fig 1: Checking Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: GO TO "Navigation Receiver Assembly Power Source Circuit" (See NAVIGATION RECEIVER ASSEMBLY POWER SOURCE CIRCUIT )