Inspection Procedure

1. Check that the map disc is not deformed or cracked.

   OK: No deformations or cracks on the map disc. 

NG: REPLACE MAP DISC 

Fig 1: Checking Disc

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Check if a touch scroll can be performed on the map display

   OK: Touch scroll can be performed. 

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

OK: Go to Next Step 

1. Enter the "Navigation Check" mode (Vehicle Sensors) (See PROBLEM SYMPTOMS TABLE  )
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. 

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