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 ECU assembly

  • Hybrid vehicle control ECU

WIRING DIAGRAM

A01GW27E02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (AIRBAG)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the following menu items: 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

    B

    GO TO DTC CHART Click here

    A

  2. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM)


    1. A01GYH3E06

      Connect an oscilloscope between the airbag ECU assembly terminals specified in the table below, and measure the waveform.

      Item Contents
      Terminal L73-14 (GSW2) - L73-25 (E1)
      Equipment Setting 5V/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

    B

    CHECK AIRBAG ECU ASSEMBLY Click here

    A

  3. CLEAR DTC


    1. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    2. Read and record the DTCs and freeze frame data.

    3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    4. Clear DTCs and freeze frame data.


    NEXT

  4. CHECK DTC OUTPUT (HV)


    1. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    2. Check if DTCs are output.

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

    B

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    A

  5. CHECK FOR INTERMITTENT PROBLEMS


    1. Check for intermittent problems Click here.


    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

  6. CHECK AIRBAG ECU ASSEMBLY


    1. A01GYHBE06

      Turn the power switch off.

    2. Disconnect connector L73 from the airbag ECU assembly.

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

      Standard resistance
      Tester Connection Switch Condition Specified Condition
      L73-14 (GSW2) - L73-25 (E1) Power switch off 10 kΩ or higher

    NG

    REPLACE AIRBAG ECU ASSEMBLY Click here

    OK

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


    1. A01GXHME03

      Disconnect connector A78 from the hybrid vehicle control ECU.

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

      Standard resistance
      Tester Connection Switch Condition Specified Condition
      A78-31 (ABFS) or L73-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here