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 GPS MARK
1. Check that the GPS mark is displayed.
  
  Fig 1: Identifying GPS Mark
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK:
  
  GPS mark is displayed.
NG: GO TO GPS MARK IS NOT DISPLAYED 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 ).
  
  Fig 2: Diagnostic Tool Display - Vehicle Sensors Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
NG: GO TO "SPEED SIGNAL DOES NOT CHANGE IN NAVIGATION CHECK MODE" IN PROBLEM SYMPTOMS TABLE

OK: Go to Next Step

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

Check that the display changes between ON and OFF according to the shift lever operation (P and R).

Fig 3: Diagnostic Tool Display - Vehicle Sensors Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

SHIFT LEVER POSITION DISPLAY TABLE

Shift Lever Position	Display
P	OFF
Reverse position	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 DOES NOT CHANGE IN NAVIGATION CHECK MODE" IN PROBLEM SYMPTOMS TABLE

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