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Home >> Lexus >> 2009 >> LS 600hL >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Pre-Collision) >> Diagnostic Trouble Code Chart >> DTC C1A24 Object Recognition Camera Image cannot be Recognized >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
  1. CLEAN OBJECT RECOGNITION CAMERA AND WINDSHIELD GLASS 
    1. Check if the object recognition sensor lens or windshield glass is dirty or scratched. If so, wipe the dirty or scratched area on the lens or glass with a soft cloth.
    NOTE: Be careful when wiping the lens or glass as wiping too strongly may cause scratches.

    OK: There are no dirty areas or scratches that cannot be removed by wiping. 

    HINT.

    If the dirty area or scratches cannot be removed by wiping, replace the object recognition sensor or windshield glass

    NG: REPLACE OBJECT RECOGNITION CAMERA OR WINDSHIELD GLASS 

    OK: Go to next step 

  2. CHECK FOR DTC 
    1. Using the Intelligent tester or Techstream, enter the following menus'
      1. Intelligent tester - Select. DIAGNOSIS / OBD/MOBD / PRE-COLLISION 2 / DTC INFO
      2. Techstream - Select: Body Electrical / Pre-Collision 2 / Trouble Code.
    2. Select "CLEAR" and clear the data.
    3. Recheck for DTC.

    OK: DTC C1A24 is not output. 

    NG:  Go to step  3

    OK: END 

  3. REPLACE OBJECT RECOGNITION CAMERA 
    1. Replace the object recognition sensor (see ADJUSTMENT ).
  4. ADJUST OBJECT RECOGNITION CAMERA 
    1. Adjust the object recognition sensor (see ADJUSTMENT )
  5. CHECK FOR DTC 
    1. Using the Intelligent tester or Techstream, enter the following menus:
      1. Intelligent tester - Select" DIAGNOSIS / OBD/MOBD / PRE-COLLISION 2 / DTC INFO.
      2. Techstream - Select: Body Electrical / Pre-Collision 2 / Trouble Code.
    2. Select "CLEAR" and clear the data
    3. Recheck for DTC.

    OK: DTC C1A24 is not output. 

    NG:  Go to step  6

    OK: END 

  6. REPLACE OBJECT RECOGNITION ECU 
    1. Replace the object recognition ECU (see REMOVAL ).
  7. ADJUST OBJECT RECOGNITION CAMERA 
    1. Adjust the object recognition sensor (see ADJUSTMENT ).
  8. CHECK FOR DTC 
    1. Using the Intelligent tester or Techstream, enter the following menus
      1. Intelligent tester - Select. DIAGNOSIS / OBD/MOBD / PRE-COLLISION 2 / DTC INFO.
      2. Techstream - Select. Body Electrical / Pre-Collision 2 / Trouble Code.
    2. Select "CLEAR" and clear the data
    3. Recheck for DTC

    OK: DTC C1A24 is not output. 

    NG: REPLACE DRIVING SUPPORT ECU  (See REMOVAL )

    OK: END 

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