HYBRID CONTROL SYSTEM, Diagnostic DTC:P3107-213

DTC Code DTC Name
P3107-213 Lost Communication with Airbag System Control Module

DESCRIPTION


DTC No. INF Code DTC Detection Condition Trouble Area
P3107 213 Short to GND in the communication circuit

  • Wire harness or connector

  • Airbag ECU assembly

  • Hybrid vehicle control ECU

WIRING DIAGRAM

A005DKHE93
*1 Airbag ECU Assembly
*2 Hybrid Vehicle Control ECU

CAUTION / NOTICE / HINT

Tech Tips

After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.


  1. Turn the power switch on (IG) and wait for 15 seconds or more.

PROCEDURE


  1. CHECK DTC OUTPUT (SRS AIRBAG)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

    4. Check if DTCs are output.

      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) Click here

    A

  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. A005CL6E03
      Text in Illustration
      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Measure the waveform.

      Item Contents
      Terminal L16-14 (GSW2) - L16-25 (E1)
      Equipment Setting 5V/DIV., 500ms/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

    CHECK AIRBAG ECU ASSEMBLY Click here

    A

  3. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Clear DTCs and freeze frame data.

    5. Turn the power switch off.


    NEXT

  4. CHECK DTC OUTPUT (HYBRID CONTROL)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      DTC P3107-213 is not output. A
      DTC P3107-213 is output. B

    5. Turn the power switch off.


    B

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    A

  5. CHECK FOR INTERMITTENT PROBLEMS

    Click here


    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

  6. CHECK AIRBAG ECU ASSEMBLY


    1. Disconnect the L16 airbag ECU assembly connector.

    2. A005B3PE03
      Text in Illustration
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L16-14 (GSW2) - L16-25 (E1) Power switch off 10 kΩ or higher

    3. Reconnect the L16 airbag ECU assembly connector.


    NG

    REPLACE AIRBAG ECU ASSEMBLY Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - AIRBAG ECU ASSEMBLY)


    1. Disconnect the L6 hybrid vehicle control ECU connector.

    2. Disconnect the L16 airbag ECU assembly connector.

    3. A005A5JE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU)
      *b

      Rear view of wire harness connector

      (to Airbag ECU Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L6-14 (ABFS) or L16-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher

    4. Reconnect the L16 airbag ECU assembly connector.

    5. Reconnect the L6 hybrid vehicle control ECU connector.


    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR