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Home >> Lexus >> 2008 >> LX 570 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> Navigation System >> DTC 58-43 SPD Signal Error; DTC 80-43 SPD Signal Error >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

HINT:

After the inspection is completed, clear the DTCs (See DTC CHECK / CLEAR  ).

  1. CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE) 
    1. Enter the "Navigation Check" mode and select "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. 

    NG: GO TO VEHICLE SPEED SIGNAL CIRCUIT  (See VEHICLE SPEED SIGNAL CIRCUIT  )

    Fig 1: Diagnosis Display - Vehicle Sensors Screen
    G04945319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY  (See REMOVAL  )