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Home >> Lexus >> 2014 >> IS 250 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Forward Recognition Camera System - Diagnostics - Introduction) >> Forward Recognition Camera System >> How To Proceed With Troubleshooting [10/2016 - 09/2020] >> Procedure
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How To Proceed With Troubleshooting [10/2016 - 09/2020]: Procedure

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  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. INSPECT BATTERY VOLTAGE 
    1. Measure the battery voltage.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK CAN COMMUNICATION SYSTEM* 
    1. Using the Techstream, check if the CAN communication system is functioning normally.

      HINT: 

      Refer to CAN Bus Check in CAN Communication System.

      Refer to DIAGNOSIS SYSTEM [10/2016 - 10/2017] , or refer to DIAGNOSIS SYSTEM [10/2017 - 09/2018] , or refer to DIAGNOSIS SYSTEM [09/2018 - 09/2020]

      OK

      CAN communication system is functioning normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2016 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - ] 

    Result: 

    OK 

    See step  4

  4. CHECK FOR DTCs* (FORWARD RECOGNITION CAMERA SYSTEM) 

    HINT: 

    Refer to DTC Check / Clear.

    Refer to DTC CHECK / CLEAR [10/2016 - 09/2020] 

    1. Check for DTCs and note any codes that are output.

      Chassis > Front Recognition Camera > Trouble Codes 

    2. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

      Chassis > Front Recognition Camera > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2016 - 09/2020]  

    Result: 

    See step  5

  5. PROBLEM SYMPTOMS TABLE 

    HINT: 

    Refer to Problem Symptoms Table.

    Refer to PROBLEM SYMPTOMS TABLE [10/2016 - 10/2017] , or refer to PROBLEM SYMPTOMS TABLE [10/2017 - 09/2020] 

    Result

    Result Proceed to
    Fault is not listed in Problem Symptoms Table A
    Fault is listed in Problem Symptoms Table B

    Result: 

    See step  7

    Result: 

    See step  6

  6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Terminals of ECU

      Refer to TERMINALS OF ECU [10/2016 - 09/2020] 

    2. Data List / Active Test

      Refer to DATA LIST / ACTIVE TEST [10/2016 - 09/2020] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. ADJUST, REPAIR OR REPLACE 
    NOTE:

    If the forward recognition camera has been replaced with a new one, it is necessary to perform forward recognition camera adjustment.

    Refer to ADJUSTMENT (SEQUENTIAL RECOGNITION) [10/2016 - 09/2020]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END