Inspection Procedure

1. Enter the Navigation Check mode's Vehicle Sensors (see NAVIGATION CHECK MODE  ).
   Fig 1: Display Navigation Check Mode (Vehicle Sensors) Screen

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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. 

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART 

OK: REPLACE NAVIGATION ECU