Inspection Procedure

HINT

After the inspection is completed, clear the DTCs

1. CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE) 
   1. Enter the "Navigation Check" mode (Vehicle Sensors) (See OPERATION CHECK  )
   2. While driving the vehicle, 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: Diagnosis Display - Vehicle Sensor (Navigation Check Mode)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: Go to step 2 

   OK: REPLACE NAVIGATION ECU  (See REMOVAL  )

2. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

   Refer to "Speed Signal does not Change in the Navigation Check Mode" in Problem Symptoms Table (See PROBLEM SYMPTOMS TABLE  )

   NEXT: END