NAVIGATION SYSTEM(for HDD) Display does not Dim when Light Control Switch is Turned ON

DTC Code DTC Name
Display does not Dim when Light Control Switch is Turned ON

PROCEDURE

  1. CHECK IMAGE QUALITY SETTING

    1. E226246C04

      *a

      Example

      Display the "Display" screen.

    2. Turn the light control switch to the tail or head position.

    3. Check if "Day Mode" on the display adjustment screen is on.

    Result

    Proceed to

    "Day Mode" setting is on

    "Day Mode" setting is off

    "Day Mode" setting is on

    TURN "Day Mode" SETTING OFF

    "Day Mode" setting is off
  2. CHECK VEHICLE SIGNAL (OPERATION CHECK)

    1. E225854

      Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

      Click hereClick here

    2. Check that the display changes between ON and OFF according to the light control switch operation.

      OK

      Light Control Switch

      Display

      Tail or head

      ON

      Off

      OFF

      Tip:

      The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE NAVIGATION ECU SUB-ASSEMBLY

    NG

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE