LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2006 >> Avalon XLS >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Navigation) >> Navigation System >> Speed Signal Error
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Speed Signal Error

WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. NAVIGATION CHECK MODE (VEHICLE SENSORS) 
    1. Enter the "Navigation Check" mode (Vehicle Sensors) (See DISPLAY CHECK MODE  ).
    2. Fig 1: Displaying "Navigation Check" Mode (Vehicle Sensors) Screen
      G04387700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. While driving, compare the "SPEED" indicator to the reading on the speedometer. Check if these readings are almost the same.

      OK: The readings are almost the same. 

    OK: REPLACE RADIO AND NAVIGATION ASSEMBLY 

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