Inspection Procedure

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
  
  Fig 1: Diagnostic Tool Display - Gyro Voltage
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE NAVIGATION ECU

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