Inspection Procedure

CHECK IF A PROPER CD IS INSERTED
1. Make sure that the CD is an audio CD or a CD with an MP3 or WMA file, and that it is not deformed, flawed, stained, burred, or otherwise defective.
  OK: The CD is normal .
  
  HINT:
  - Translucent or uniquely-shaped CDs cannot be played.
  - Commercial audio CDs can be played.
  - CD-DA files on CD-ROMs, CD-Rs, and CD-RWs can be played.
  - MP3 and WMA files on CD-ROMs, CD-Rs and CD-RWs can be played.
  - For details on playable CDs, refer to the Owner's Manual.
    NG: CD IS FAULTY
    
    OK: Go to Next Step
CHECK THAT CD IS INSERTED PROPERLY
1. Check whether or not the CD is inserted upside down.
  OK: CD is properly inserted .
  
  NG: SET CD PROPERLY
  
  OK: Go to Next Step
CHECK CD
1. Clean the disc by wiping it with a soft cloth from the inside to the outside in a radial direction.
  
  Fig 1: Cleaning Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Do not use a conventional record cleaner or antistatic preservative.
  
  NG: Go to step 4
  
  OK: CD WAS DIRTY
REPLACE CD WITH ANOTHER AND RECHECK
1. Replace the CD with a known good one and check that the same trouble does not occur.
  OK: Malfunction disappears .
  
  NG: REPLACE NAVIGATION RECEIVER ASSEMBLY (See REMOVAL )
  
  OK: CD IS FAULTY