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 NAVIGATION CHECK MODE  ).
   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: Diagnostic Tool Display - Vehicle Speed

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: REPLACE NAVIGATION ECU 

   NG: GO TO Next Step  .

2. PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE 
   1. Refer to "Speed signal does not change in the navigation check mode" in the problem symptoms table.

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