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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes & Symptom Tests) (Hybrid) >> Navigation System >> Black Screen >> Procedure

Black Screen: Procedure

  1. CHECK DISPLAY SETTING 
    1. Check that the display is not in "Screen Off" mode.

      OK

      The display setting is not in "Screen Off" mode.

    NG → CHANGE SCREEN TO "Screen On" MODE 

    OK: Go to next step 

  2. CHECK IMAGE QUALITY SETTING 
    1. Check that the screen color quality can be set.

      OK

      Setting is possible.

    NG → See step   3 

    OK → SET SCREEN COLOR QUALITY TO NORMAL 

  3. CHECK CABIN 
    1. Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.

      HINT: 

      • A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may cause a short circuit.
      • The appropriate cabin temperature is 20 to 30°C (68 to 86°F).

      OK

      Condensation is not likely being produced and the temperature is not high or extremely low.

    NG → SET CABIN TO APPROPRIATE TEMPERATURE 

    OK → See step   4 

  4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE