Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 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.
  OK: GPS mark is displayed.
Fig 1: GPS Mark Display
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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 ).
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: Diagnostic Tool Display - Vehicle Sensors Screen
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

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

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

SHIFT LEVER POSITION CHART

Shift Lever Position	Display
P (AH-)	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.

Fig 3: Diagnostic Tool Display - Vehicle Sensors Screen

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