Inspection Procedure

1. Check that the GPS mark is displayed

   OK: GPS mark is displayed. 

NG: GO TO "GPS MARK IS NOT DISPLAYED" IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )

Fig 1: Identifying GPS Mark

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Enter the "Navigation Check" mode (Vehicle Sensors) (See OPERATION CHECK  )
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: Diagnosis Display - 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  (See 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 POSITION 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.

   Fig 3: Diagnosis Display Screen - Vehicle Sensor (Navigation Check Mode)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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