Inspection Procedure

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
1. Enter the NAVIGATION CHECK MODE (VEHICLE SENSORS) .
2. While driving, 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: Checking Vehicle Sensor (Navigation Check Mode)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE TABLE (See DIAGNOSTIC TROUBLE CODE TABLE )
2. OK: REPLACE NAVIGATION ECU (See REPLACEMENT )