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DTC B1D35-86: Hazard Switch Signal Invalid [07/2015 - ]: Procedure

  1. VERIFY MAIN BODY ECU DTCS AGAIN 
    1. Clear the DTC for the main body ECU using the Techstream.

      Refer to DTC CHECK / CLEAR [07/2015 - ]

      Body Electrical > Body Control Module > Clear DTCs 

    2. Switch the ignition ON (engine off or on) and wait for 2 s or more.
    3. Retrieve the main body ECU DTCs using the Techstream.

      Refer to DTC CHECK / CLEAR [07/2015 - ]

      Body Electrical > Body Control Module > Trouble Codes 

    4. Is the same DTC displayed?

      Result

      Result
      Yes
      No

    Result:  2

    No 

    See step  6

    Result:  1

    Yes 

    See step  2

  2. DETERMINE MALFUNCTIONING LOCATION BY PERFORMING PID/DATA MONITOR INSPECTION 
    1. Using the Techstream, display the following PIDs for the engine stop and start ECU.

      Refer to DATA LIST / ACTIVE TEST [07/2015 - ]

      • Hazard Switch

      Body Electrical > Smart Start Unit > Data List 

      Tester Display
      Hazard Switch
    2. Does the PID monitoring value switch correctly according to the hazard warning switch operation?

      Result

      Result
      Yes
      No

    Result:  1

    Yes 

    See step  12

    Result:  2

    No 

    See step  3

  3. INSPECT HAZARD WARNING SWITCH 
    1. Inspect the hazard warning switch.

      Refer to INSPECTION [07/2015 - ]

    2. Is the hazard warning switch normal?

      Result

      Result
      Yes
      No

    Result:  1

    Yes 

    See step  10

    Result:  2

    No 

    See step  11

  4. DETERMINE MALFUNCTIONING LOCATION BY PERFORMING PID/DATA MONITOR INSPECTION 
    1. Using the Techstream, display the following PIDs for the main body ECU.

      Refer to DATA LIST / ACTIVE TEST [07/2015 - ]

      • Hazard Switch

      Body Electrical > Body Control Module > Data List 

      Tester Display
      Hazard Switch
    2. Does the PID monitoring value switch correctly according to the hazard warning switch operation?

      Result

      Result
      Yes
      No

    Result:  1

    Yes 

    See step  8

    Result:  2

    No 

    See step  9

  5. VERIFY THAT REPAIRS HAVE BEEN COMPLETED 
    1. Clear the DTC for the main body ECU using the Techstream.

      Refer to DTC CHECK / CLEAR [07/2015 - ]

      Body Electrical > Body Control Module > Clear DTCs 

    2. Switch the ignition ON (engine off or on) and wait for 2 s or more.
    3. Retrieve the main body ECU DTCs using the Techstream.

      Refer to DTC CHECK / CLEAR [07/2015 - ]

      Body Electrical > Body Control Module > Trouble Codes 

    4. Is the same DTC displayed?

      Result

      Result
      Yes
      No

    Result:  1

    Yes 

    See step  7

    Result:  2

    No 

    See step  6

  6. VERIFY IF OTHER DTCS DISPLAYED 
    1. Are any other DTCs displayed?

      Result

      Result
      Yes
      No

    Result:  1

    Yes 

    REPAIR OR REPLACE THE MALFUNCTIONING PART ACCORDING TO THE APPLICABLE DTC TROUBLESHOOTING. 

    1. Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ]

    Result:  2

    No 

    DTC TROUBLESHOOTING COMPLETED. 

  7. REPEAT THE INSPECTION FROM STEP 1. 
    1. If the malfunction recurs, replace the main body ECU.

      Refer to REMOVAL [07/2015 - ]

    2. Go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  6

  8. GO TO THE NEXT STEP. (CIRCUIT BETWEEN ENGINE STOP AND START ECU AND MAIN BODY ECU IS NORMAL) 

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  5

  9. REPLACE THE ENGINE STOP AND START ECU, THEN GO TO THE NEXT STEP. 
    1. Refer to REMOVAL [07/2015 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  5

  10. REPLACE THE ENGINE STOP AND START ECU, THEN GO TO STEP 5. 
    1. Refer to REMOVAL [07/2015 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  5

  11. REPLACE THE HAZARD WARNING SWITCH, THEN GO TO STEP 5. 
    1. Refer to REMOVAL [07/2015 - ]

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  5

  12. GO TO STEP 4. (CIRCUIT BETWEEN HAZARD WARNING SWITCH AND ENGINE STOP AND START ECU IS NORMAL) 

    Result

    Proceed to
    NEXT

    Result:  1

    NEXT 

    See step  4