Inspection Procedure

1. Check that the GPS mark is displayed.
   Fig 1: Checking GPS Mark

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: 

   GPS mark is displayed. 

NG: GO TO " GPS MARK IS NOT DISPLAYED  " 

OK: GO TO NEXT STEP 

1. Enter the 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.
   Fig 2: Checking Vehicle Signal (Navigation Check Mode)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: 

   The readings are almost equal. 

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 

   DISPLAY REFERENCE
   
   

   Shift Lever Position	Display
   P	OFF
   R	ON

   HINT:

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

NG: GO TO " REVERSE SIGNAL CIRCUIT  "  

Fig 3: Checking Vehicle Signal (Navigation Check Mode)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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