Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  
  Fig 1: Checking If Map Disc Is Deformed Or Cracked
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK:
  
  No deformations or cracks on map disc.
NG: REPLACE MAP DISC

OK: Go to Next Step
CHECK NAVIGATION DISPLAY
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

OK: Go to Next Step
CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
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 if these readings are almost equal.
  OK:
  
  The readings are almost equal.
NG: GO TO "SPEED SIGNAL DOES NOT CHANGE IN NAVIGATION CHECK MODE" IN PROBLEM SYMPTOMS TABLE

Fig 2: Identifying Diagnostic Tool Display - Navigation Check Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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