Inspection Procedure

NAVIGATION CHECK MODE (VEHICLE SENSORS CHECK)
1. Enter the "Navigation Check" mode (Vehicle Sensors) (See NAVIGATION CHECK MODE (VEHICLE SENSORS) ).
2. While driving, compare the "SPEED" indicator to the reading on the speedometer. Check if these readings are almost the same.
  Standard: The readings are almost the same.
  
  Fig 1: View OF Navi Menu Vehicle Sensors Display
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
  
  OK: REPLACE RADIO AND NAVIGATION ASSY (See REPLACEMENT )
  
  NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART