Cannot Call in a Certain Place

CHECK SURROUNDING CONDITIONS
1. Check if the cellular phone can make calls in a certain place.
  OK: It can make calls.
NG: END (CELLULAR PHONES CAN ONLY FUNCTION IN CELLULAR SERVICE AREAS)

OK: Go to next step
CHECK RECEPTION
1. Check if the reception level is the same on the cellular phone and the multi-display.
  
  Fig 1: Display Information Menu And Telephone Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: Reception level is different.
NG: REPLACE MULTI-DISPLAY

OK: Go to next step
CHECK RECEPTION
1. Place a cellular phone close to the multi-display.
2. Check if the reception level becomes the same on the cellular phone and the multi-display.
  
  Fig 2: Display Information Menu And Telephone Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: Reception level does not become the same.
  
  HINT:
  
  The multi-display receives radio waves of different strength depending on the strength of the radio wave transmitted by the cellular phone.
NG: REPLACE MULTI-DISPLAY

OK: END