Inspection Procedure

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
1. Enter the "NAVIGATION CHECK" MODE (Vehicle Sensors).
  
  Fig 1: Identifying Tester Display - Vehicle Sensors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the gyro voltage.
  Standard voltage: 0.5 to 4.5 V
  
  NG: REPLACE NAVIGATION ECU
  
  OK: PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE