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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) (3 Of 8) >> Hybrid Control System >> DTC P3107-213: Lost Communication with Airbag System Control Module [10/2015 - ] >> Procedure

DTC P3107-213: Lost Communication with Airbag System Control Module [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.

    B 

    GO TO DTC CHART (AIRBAG SYSTEM) 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2014 - ] )

    A 

    See step  2

  2. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM) 
    1. Connect an oscilloscope between the airbag ECU assembly terminals specified in the table below.
    2. Turn the power switch on (READY).
    3. Measure the waveform.
      GTY570871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Airbag ECU Assembly)
      Item Contents
      Terminal D36-24 (GSW2) - D36-25 (E1)
      Equipment Setting 5 V/DIV., 500 ms./DIV.
      Condition Power switch on (READY)

      Result

      Result Proceed to
      The waveform appears as shown in the illustration. A
      The waveform differs from the one shown in the illustration. B
    4. Turn the power switch off.

    B 

    See step  6

    A 

    See step  3

  3. CLEAR DTC 

    See step  4

    NEXT 

    See step  4

  4. 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
      P3107-213 is not output. A
      P3107-213 is output. B
    5. Turn the power switch off.

    B 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2015 - ] )

    A 

    See step  5

  5. CHECK FOR INTERMITTENT PROBLEMS 

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

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2015 - ] )

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

  6. CHECK AIRBAG ECU ASSEMBLY 
    1. Disconnect the D36 airbag ECU assembly connector.
    2. Measure the resistance according to the value (s) in the table below.
      GTY540573Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Airbag ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D36-24 (GSW2) - D36-25 (E1) Power switch off 10 kΩ or higher
    3. Reconnect the D36 airbag ECU assembly connector.

    NG 

    REPLACE AIRBAG ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2014 - ] )

    OK 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - AIRBAG ECU ASSEMBLY) 
    1. Disconnect the D136 hybrid vehicle control ECU assembly connector.
    2. Disconnect the D36 airbag ECU assembly connector.
    3. Measure the resistance according to the value (s) in the table below.
      GTY556610Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
      *b Rear view of wire harness connector
      (to Airbag ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D136-14 (ABFS) or D36-24 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher
    4. Reconnect the D36 airbag ECU assembly connector.
    5. Reconnect the D136 hybrid vehicle control ECU assembly connector.

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    (Refer to COMPONENTS [10/2015 - ] )

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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