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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System - Diagnostic Codes & Circuit Tests - (Hybrid) >> Lane Departure Alert System >> DTC C1AA2: Vehicle Speed Tolerance Malfunction [02/2014 - 11/2016] >> Procedure

DTC C1AA2: Vehicle Speed Tolerance Malfunction [02/2014 - 11/2016]: Procedure

  1. CHECK FOR DTCs (METER / GAUGE SYSTEM) 
    1. Check for meter / gauge system DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - ]

      Body Electrical > Combination Meter > Trouble Codes 

      Result

      Result Proceed to
      Meter / gauge system DTCs are not output A
      Meter / gauge system DTCs are output B

    Result:  2

    GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2014 - ] 

    Result:  1

    See step  2

  2. CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM) 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - 11/2016]

      Chassis > Lane Departure Alert > Clear DTCs 

    2. Make sure that the DTC detection conditions are met.

      HINT: 

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

    3. Check for DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - 11/2016]

      Chassis > Lane Departure Alert > Trouble Codes 

      Result

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

    Result:  1

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2014 - 11/2016] 

    Result:  2

    REPLACE LANE DEPARTURE WARNING CAMERA. Refer to  REMOVAL [02/2014 - 11/2016]