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DTC C1AA2: Vehicle Speed Tolerance Malfunction [10/2015 - ]: Procedure

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  1. INSPECT COMBINATION METER ASSEMBLY (ON-VEHICLE INSPECTION) 
    1. Perform On-vehicle Inspection of the meter/gauge system.

      Refer to ON-VEHICLE INSPECTION [10/2015 - 10/2016] or ON-VEHICLE INSPECTION [10/2016 - ]

      HINT: 

      Check the meter function by referring to On-vehicle Inspection for the combination meter assembly.

      Result

      Result Proceed to
      Combination meter assembly is normal A
      Combination meter assembly is malfunctioning B

    Result: 

    CHECK METER / GAUGE SYSTEM (SPEEDOMETER MALFUNCTION). Refer to  Speedometer Malfunction [10/2015 - ] 

    Result: 

    See step  2

  2. CHECK FOR DTCs (LANE DEPARTURE ALERT 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 / LKA/LDA / Trouble Codes.
    5. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ]

    6. Perform the following procedure.

      HINT: 

      If the following procedure is not performed, the previously output DTC cannot be detected.

      1. Turn the power switch on (IG) and wait 1 minute or more.
    7. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ]

      Result

      Result Proceed to
      DTC C1AA2 is not output A
      DTC C1AA2 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] 

    Result: 

    See step  3

  3. REPLACE FORWARD RECOGNITION CAMERA 
    1. Replace the forward recognition camera.

      Refer to REMOVAL [10/2015 - ]

    2. Perform Forward Recognition Camera Learning.

      Refer to ADJUSTMENT [10/2015 - ]

    Result: 

    NEXT 

    See step  4

  4. CHECK FOR DTCs (LANE DEPARTURE ALERT 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 / LKA/LDA / Trouble Codes.
    5. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ]

    6. Perform the following procedure.

      HINT: 

      If the following procedure is not performed, the previously output DTC cannot be detected.

      1. Turn the power switch on (IG) and wait 1 minute or more.
    7. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - ]

      Result

      Result Proceed to
      DTC C1AA2 is not output A
      DTC C1AA2 is output B

    Result: 

    END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) 

    Result: 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  COMPONENTS [10/2015 - ]