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  " IN  PROBLEM SYMPTOMS TABLE  

OK: Go to next step 

1. Enter the "NAVIGATION CHECK " mode (Vehicle Sensors) .
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: Checking Vehicle Sensor (Navigation Check Mode)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: GO TO "SPEED SIGNAL DOES NOT CHANGE IN NAVIGATION CHECK MODE" IN  PROBLEM SYMPTOMS TABLE  

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 OPERATION
   
   

   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.

Fig 3: Checking Vehicle Sensor (Navigation Check Mode)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: GO TO "REVERSE SIGNAL DOES NOT CHANGE IN THE NAVIGATION CHECK MODE" IN PROBLEM SYMPTOMS TABLE (See  REVERSE SIGNAL CIRCUIT  ) 

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