HYBRID CONTROL SYSTEM, Diagnostic DTC:P3107-213

DTC Code DTC Name
P3107-213 Airbag ECU Communication Circuit Malfunction

DESCRIPTION


DTC No. INF Code DTC Detection Condition Trouble Area
P3107 213 Short to GND in the communication circuit
  • Wire harness or connector

  • Airbag sensor assembly

  • Power management control ECU

WIRING DIAGRAM

A01JCB6E02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (AIRBAG)


    1. Connect the intelligent tester 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
    A
  2. CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)


    1. Turn the power switch on (READY).

    2. A01JD7ME03
      Text in Illustration
      *1

      Component with harness connected

      (Airbag Sensor Assembly)

      Connect an oscilloscope between the airbag sensor assembly terminals specified in the table below, and 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
    3. Turn the power switch off.


    B
    A
  3. CLEAR DTC


    1. Connect the intelligent tester 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.


    NEXT
  4. CHECK DTC OUTPUT (HV)


    1. Connect the intelligent tester 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
    A
  5. CHECK FOR INTERMITTENT PROBLEMS


    1. Check for intermittent problems Click here.


    NG
    OK
  6. CHECK AIRBAG SENSOR ASSEMBLY


    1. Disconnect connector L16 from the airbag sensor assembly.

    2. A01JD7JE03
      Text in Illustration
      *1

      Component without harness connected

      (Airbag Sensor Assembly)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      L16-14 (GSW2) - L16-25 (E1) Power switch off 10 kΩ or higher
    3. Connect the airbag sensor assembly connector.


    NG
    OK
  7. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG SENSOR ASSEMBLY)


    1. Disconnect connector L5 from the power management control ECU.

    2. Disconnect connector L16 from the airbag sensor assembly.

    3. A01J8P4E01
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)

      *2

      Rear view of wire harness connector

      (to Airbag Sensor Assembly)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      L5-29 (ABFS) or L16-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher
    4. Connect the airbag sensor assembly connector.

    5. Connect the power management control ECU connector.


    NG
    OK