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Home >> Toyota >> 2015 >> Camry LE >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Lane Departure Alert System (Diagnostic Codes & Circuit Tests) (Except Hybrid) >> Lane Departure Alert System >> DTC C1AA1: FCM Destination Information Unmatched; DTC C1AAC: Vehicle Information Unmatched [09/2014 - ] >> Procedure

DTC C1AA1: FCM Destination Information Unmatched; DTC C1AAC: Vehicle Information Unmatched [09/2014 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (DESTINATION INFORMATION) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / Lane Departure Alert / Data List.
    5. Read the Data List according to the display on the Techstream.
      LANE DEPARTURE ALERT

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Destination Information Status of the country/JPN, NA, EURO, CHINA or OTHER (GEN-EXP) Actual country code -
      RESULT

      Result Proceed to
      Country specification information for vehicle and lane departure warning camera match A
      Country specification information for vehicle and lane departure warning camera do not match B

    B → See step   3 

    A: Go to next step 

  2. CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM) 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [09/2014 - ] .
    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 [09/2014 - ] .
      RESULT

      Result Proceed to
      DTC C1AA1 and C1AAC are not output A
      DTC C1AA1 is output B
      DTC C1AAC is output (for 2AR-FE) C
      DTC C1AAC is output (for 2GR-FE) D

    B → See step   5 

    C → See step   6 

    D → See step   7 

    A → See step   4 

  3. REPLACE LANE DEPARTURE WARNING CAMERA. Refer to  REMOVAL [09/2014 - ] 
  4. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] 
  5. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [09/2014 - ] 
  6. REPLACE ECM. Refer to  REMOVAL [09/2014 - ] 
  7. REPLACE ECM. Refer to  REMOVAL [09/2014 - ]