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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 C1A22 Object Recognition Camera Incorrect Axial Gap; DTC C1A23 Object Recognition Camera Initialization Incomplete; DTC C1A25 Object Recognition Camera Recognizing Distance Discrepancy › Inspection Procedure

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. ADJUST OBJECT RECOGNITION CAMERA 
    1. Adjust the object recognition camera (see ADJUSTMENT )
  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 DTCs

    OK: DTCs C1A22, C1A23 and C1A25 are not output. 

    NG:  Go to step  3

    OK: END 

  3. REPLACE OBJECT RECOGNITION CAMERA 
    1. Replace the object recognition camera (see ADJUSTMENT ).
  4. ADJUST OBJECT RECOGNITION CAMERA 
    1. Adjust the object recognition camera (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 DTCs.

    OK: DTCs C1A22, C1A23 and C1A25 are 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 camera (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 DTCs.

    OK: DTCs C1A22, C1A23 and C1A25 are not output. 

    NG: REPLACE DRIVING SUPPORT ECU  (See REMOVAL )

    OK: END 

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