Vehicle Position Mark is not Updated: Procedure

1. Check that the map disc is not deformed or cracked.
   Fig 1: Ensure Map Disc Is Not Cracked Or Deformed

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   No deformations or cracks on the map disc

NG → REPLACE MAP DISC 

OK: Go to next step 

1. Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.

   HINT: 

   • A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may cause a short circuit.
   • The navigation system may not operate normally when the temperature is -20°C (-4°F) or lower, or 65°C (149°F) or higher.

   OK

   Condensation is not likely being produced and the temperature is not high or extremely low.

NG → SET CABIN TO APPROPRIATE TEMPERATURE 

OK: Go to next step 

1. Enter the "Check GPS & Vehicle Sensors" (Vehicle Sensors). Refer to OPERATION CHECK .
   Fig 2: Screen Display - GPS & Vehicle Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. While driving the vehicle, compare the "Speed" indicator to the reading on the speedometer. Check if these readings are almost equal.

   OK

   The readings are almost equal.

NG → See step   4 

OK → See step   5