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Home >> Lexus >> 2017 >> ES 300h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Front Recognition Camera System (Diagnostic Codes & Circuit Tests) >> Front Recognition Camera System >> DTC C1AA1: FCM Destination Information Unmatched [07/2015 - ] >> Procedure

DTC C1AA1: FCM Destination Information Unmatched [07/2015 - ]: Procedure

  1. CHECK DTC OUTPUT (CAN COMMUNICATION DTC OUTPUT) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.
    5. Check for DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
      RESULT

      Result Proceed to
      DTC U0142 is not output A
      DTC U0142 is output B

    Result:  B

    B 

    GO TO CAN COMMUNICATION SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

    Result:  A

    A 

    See step  2

  2. CHECK DTC OUTPUT (FRONT RECOGNITION CAMERA SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.
    5. Clear the DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
    6. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    7. Check for DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
      RESULT

      Result Proceed to
      DTC C1AA1 is output A
      DTC C1AA1 is not output B

    Result:  B

    B 

    USE SIMULATION METHOD TO CHECK 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

    Result:  A

    A 

    See step  3

  3. REPLACE FORWARD RECOGNITION CAMERA 
    1. Replace the forward recognition camera. Refer to REMOVAL [07/2015 - ]
    2. Adjust the forward recognition camera. Refer to ADJUSTMENT [07/2015 - ]

    Result:  NEXT

    NEXT 

    See step  4

  4. CHECK DTC OUTPUT (FRONT RECOGNITION CAMERA SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.
    5. Clear the DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
    6. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    7. Check for DTCs. Refer to DTC CHECK / CLEAR [07/2015 - ]
      RESULT

      Result Proceed to
      DTC C1AA1 is output A
      DTC C1AA1 is not output B

    Result:  A

    A 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

    Refer to COMPONENTS [07/2015 - ]

    Result:  B

    B 

    END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) 

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