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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes - (Hybrid) (2 Of 8) >> Hybrid Control System >> DTC P3107-215: Lost Communication with Airbag System Control Module [10/2014 - 10/2015] >> Procedure

DTC P3107-215: Lost Communication with Airbag System Control Module [10/2014 - 10/2015]: Procedure

  1. CHECK DTC OUTPUT (SRS AIRBAG) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.
    4. Check for DTCs.

      Result

      Result Proceed to
      Airbag system DTCs are not output. A
      Airbag system DTCs are output. B
    5. Turn the power switch off.

    GO TO DTC CHART (AIRBAG SYSTEM) 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )

    See step  2

  2. CLEAR DTC 

    Refer to PROCEDURE - Step 4

    NEXT 

    See step  3

  3. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Check for DTCs.

      Result

      Result Proceed to
      P3107-215 is not output. A
      P3107-215 is output again. B
    5. Turn the power switch off.

    See step  5

    See step  4

  4. CHECK FOR INTERMITTENT PROBLEMS 

    (Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2014 - ] )

    OK 

    REPLACE AIRBAG ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

  5. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM) 

    See step  2

    REPLACE POWER MANAGEMENT CONTROL ECU 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    See step  6

  6. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) 

    Refer to PROCEDURE - Step 3

    NG 

    CONNECT SECURELY 

    OK 

    See step  7

  7. CHECK CONNECTOR CONNECTION CONDITION (AIRBAG ECU ASSEMBLY CONNECTOR) 

    See step  7

    NG 

    CONNECT SECURELY 

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (+B SHORT) 

    See step  8

    NG 

    See step  10

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG ECU ASSEMBLY) 

    See step  9

    OK 

    REPLACE AIRBAG ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES) 

    See step  11

    OK 

    REPLACE POWER MANAGEMENT CONTROL ECU 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR