Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Prius. 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.
OK: REPLACE NAVIGATION ECU

Fig 1: Diagnostic Tool Display - Navigation Check Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to Next Step
PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE
1. Refer to Speed signal does not change in the navigation check mode in the PROBLEM SYMPTOMS TABLE .
NEXT: END