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.

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
1. Enter the "Navigation Check" mode (Vehicle Sensors) (see NAVIGATION CHECK MODE ).
2. Check the gyro voltage.
  Standard voltage: 0.5 to 4.5 V
NG: REPLACE NAVIGATION ECU

Fig 1: Check Vehicle Sensor (Navigation Check Mode) Screen Display
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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