Inspection Procedure

HINT:

After the inspection is completed, clear the DTCs.

1. CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE) 
   1. Enter the "Vehicle Sensors" (Navigation Check Mode) (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: Screen Display - Vehicle Sensors

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: REPLACE NAVIGATION ECU 

   NG: Go to Next Step 

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

   Refer to VEHICLE SPEED SIGNAL CIRCUIT BETWEEN NAVIGATION ECU AND COMBINATION METER for "Speed signal does not change in the navigation check mode" ).

   NEXT: END