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Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Navigation System (Except Hybrid)) >> 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

WARNING: This page is about a different car, the 2007 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

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 ).
      Fig 1: Diagnosis MENU Screen Display - Navigation Check Mode
      G04945319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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. 

    OK: REPLACE RADIO AND NAVIGATION ASSEMBLY 

    NG: Go to Next Step 

  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  .

    NEXT: END