HYBRID CONTROL SYSTEM, Diagnostic DTC:P3107-215

DTC Code DTC Name
P3107-215 Airbag ECU Communication Circuit Malfunction

DESCRIPTION

Refer to the description for DTC P3107-213 Click here.

DTC No. INF Code DTC Detection Condition Trouble Area
P3107 215 Abnormal communication signal

  • Wire harness or connector

  • Center airbag sensor assembly

  • Power management control ECU

WIRING DIAGRAM

Refer to the wiring diagram for DTC P3107-213 Click here.

Refer to the wiring diagram for DTC P0AE6-225 Click here.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (SRS 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

    GO TO AIRBAG SYSTEM (AIRBAG SYSTEM) Click here

    A

  2. 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

  3. 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 P3107-215 is not output. A
      DTC P3107-215 is output again. B

    5. Turn the power switch off.


    B

    Click here

    A

  4. CHECK FOR INTERMITTENT PROBLEMS


    1. Check for intermittent problems Click here.


    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

    OK

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

  5. CHECK CENTER AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)


    1. Turn the power switch on (READY).

    2. A003TXME05
      Text in Illustration
      *a

      Component with harness connected

      (Center Airbag Sensor Assembly)

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

      Item Contents
      Terminal E14-14 (GSW2) - E14-25 (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

    Click here

    A

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

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


    1. Check the connections of the power management control ECU connectors.

      A003TI1E01
      Text in Illustration
      *A for LHD *B for RHD
      OK
      The connectors are connected securely and there are no contact problems.

    NG

    CONNECT SECURELY

    OK

  7. CHECK CONNECTOR CONNECTION CONDITION (CENTER AIRBAG SENSOR ASSEMBLY CONNECTOR)


    1. A003UGHE04
      Text in Illustration
      *a

      Component with harness connected

      (Center Airbag Sensor Assembly)

      Check the connections of the center airbag sensor assembly connectors.

      OK
      The connectors are connected securely and there are no contact problems.

    NG

    CONNECT SECURELY

    OK

  8. CHECK HARNESS AND CONNECTOR (+B SHORT)


    1. A003TFHE01
      Text in Illustration
      *1 Engine Room Junction Block Assembly
      *2 AM2 Fuse
      *3 IGCT NO. 2 Fuse

      Remove the IGCT NO. 2 fuse and AM2 fuse from the engine room junction block assembly.

    2. A003TSZE06
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect connector E14 from the center airbag sensor assembly.

    3. A003TI4E67
      Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      E111-29 (ABFS) - A98-2 (+B2) Power switch off 10 kΩ or higher
      E111-29 (ABFS) - A99-5 (+B1) Power switch off 10 kΩ or higher
      E111-29 (ABFS) - E111-1 (AM22) Power switch off 10 kΩ or higher
      E111-29 (ABFS) - E112-7 (AM21) Power switch off 10 kΩ or higher

    4. Connect the center airbag sensor assembly connector.

    5. Install the IGCT NO. 2 fuse and AM2 fuse.


    NG

    Click here

    OK

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


    1. Disconnect connector E111 from the power management control ECU.

    2. Disconnect connector E14 from the center airbag sensor assembly.

    3. A003TM3E02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      Rear view of wire harness connector

      (to Center Airbag Sensor Assembly)

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

      Standard Resistance (Check for Open)
      Tester Connection Switch Condition Specified Condition
      E111-29 (ABFS) - E14-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      E111-29 (ABFS) or E14-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher

      Tech Tips

      As necessary, check that there is no short to power supply wires when performing the above wire harness inspection.

    4. Connect the center airbag sensor assembly connector.

    5. Connect the power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

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


    1. A003TFHE01
      Text in Illustration
      *1 Engine Room Junction Block Assembly
      *2 AM2 Fuse
      *3 IGCT NO. 2 Fuse

      Remove the IGCT NO. 2 fuse and AM2 fuse from the engine room junction block assembly.

    2. A003TSZE06
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect connector E14 from the center airbag sensor assembly.

    3. Disconnect all the connectors from the power management control ECU.

    4. A003TR1E02
      Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      E111-29 (ABFS) - A98-2 (+B2) Power switch off 10 kΩ or higher
      E111-29 (ABFS) - A99-5 (+B1) Power switch off 10 kΩ or higher
      E111-29 (ABFS) - E111-1 (AM22) Power switch off 10 kΩ or higher
      E111-29 (ABFS) - E112-7 (AM21) Power switch off 10 kΩ or higher

    5. Connect the power management control ECU connectors.

    6. Connect the center airbag sensor assembly connector.

    7. Install the IGCT NO. 2 fuse and AM2 fuse.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here