Inspection Procedure

1. Check that the GPS mark is displayed.

   OK: GPS mark is displayed. 

   Fig 1: Checking GPS Mark

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: GO TO " GPS MARK IS NOT DISPLAYED  " 

OK: Go to Next Step 

1. Enter the "Navigation Check Mode" (Vehicle Sensors) (See NAVIGATION CHECK MODE  ).
2. While driving the vehicle, compare the "Speed" indicator to the reading on the speedometer. Check that these readings are almost equal.

   OK: The readings are almost equal. 

   Fig 2: Screen Display - Vehicle Sensors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  GO TO VEHICLE SPEED SIGNAL CIRCUIT BETWEEN NAVIGATION ECU AND COMBINATION METER 

OK: Go to Next Step 

1. Check that the display changes between ON and OFF according to the shift lever operation (P and R).

   OK 

   SHIFT LEVER POSITION REFERENCE CHART
   
   

   Shift Lever Position	Display
   P	OFF
   Reverse position	ON

   HINT:

   The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

   Fig 3: Screen Display - Vehicle Sensors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  GO TO REVERSE SIGNAL CIRCUIT 

OK:  PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE