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Home >> Toyota >> 2017 >> Camry LE >> Repair and Diagnosis >> Restraints >> Seat Belts >> Pre-Collision System (Diagnostic Codes (C1A01-U0235) & Circuit Tests) (Except Hybrid) >> Pre-Collision System >> DTC C1A02: Vehicle Information Not Obtained [08/2015 - ] >> Procedure

DTC C1A02: Vehicle Information Not Obtained [08/2015 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (COUNTRY# (DSS)) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Pre-Collision 2 / Data List.
    5. Read the Data List according to the display on the Techstream.
      PRE-COLLISION 2

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Country# (DSS) Destination country for driving support ECU assembly/JPN, NA, EURO, CA, AUS, SAFC, OTHER, TWN, CHINA, THAI, GCC or NOFIX Actual country code -

      HINT: 

      The country specification information stored in the driving support ECU assembly is determined by the country specification information stored in the main body ECU (multiplex network body ECU). If the country specification information for the millimeter wave radar sensor assembly matches the vehicle, the country specification information for the main body ECU (multiplex network body ECU) and driving support ECU assembly is incorrect and the main body ECU (multiplex network body ECU) and driving support ECU assembly need to be replaced.

      Result

      Result Proceed to
      Country specification information for vehicle and driving support ECU assembly match A
      Country specification information for vehicle and driving support ECU assembly do not match B

    B → REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVING SUPPORT ECU ASSEMBLY 

    A: Go to next step 

  2. CHECK FOR DTC (PRE-COLLISION 2) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Clear the DTCs. Refer to DTC CHECK / CLEAR [08/2015 - ] .
    4. Make sure that the DTC detection conditions are met.

      HINT: 

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

    5. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    6. Check for DTCs.

      OK

      DTC C1A02 is not output.

    NG → See step   3 

    OK → See step   4 

  3. REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  REMOVAL [08/2015 - ] 
  4. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ]