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.

HINT:

After the inspection is completed, clear the DTCs.

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 "SPD" indicator to the reading on the speedometer. Check if these readings are almost equal.
  OK: The readings are almost equal.
Fig 1: Diagnostic Tool Display - Vehicle Sensors Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE NAVIGATION ECU

NG: Go to Next Step
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Refer to "Speed signal does not change in the navigation check mode" in the problem symptoms table (See PROBLEM SYMPTOMS TABLE ).

NEXT: END