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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Navigation System) >> Navigation System >> WARNING DOOR OPEN Screen is Not Shown
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WARNING DOOR OPEN Screen is Not Shown

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VEHICLE SPEED SIGNAL 

    Check vehicle speed signal. Refer to VEHICLE SPEED SIGNAL CHECK FOR DISPLAY CONTROL UNIT .

    OK or NG

    1. OK: GO TO 2.
    2. NG: Check the malfunctioning parts.
  2. CHECK CAN COMMUNICATION LINE 

    Check CAN communication line. Refer to CAN COMMUNICATION LINE CHECK .

    OK or NG

    1. OK: GO TO 3.
    2. NG: After filling out CAN DIAG SUPPORT MONITOR check sheet, GO TO CAN COMMUNICATION .
  3. CHECK COMMUNICATION LINE 

    Check display communication line. Refer to DISPLAY COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND DISPLAY UNIT) .

    OK or NG

    1. OK: Replace display unit. Refer to Removal and Installation of Display Unit .
    2. NG: Check the malfunctioning parts.