HYBRID CONTROL SYSTEM, Diagnostic DTC:P3107-214

DTC Code DTC Name
P3107-214 Lost Communication with Airbag System Control Module

DESCRIPTION


DTC No. INF Code DTC Detection Condition Trouble Area
P3107 214 Open or short to +B in the communication circuit
  • Wire harness or connector

  • Center airbag sensor assembly

  • Power management control ECU

WIRING DIAGRAM

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

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

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
    A
  2. CHECK CENTER AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)


    1. Connect an oscilloscope between the center airbag sensor assembly terminals specified in the table below.

    2. Turn the power switch on (READY).

    3. A000RU6E02
      Text in Illustration
      *a

      Component with harness connected

      (Center Airbag Sensor Assembly)

      Measure the waveform.

      Item Contents
      Terminal N52-14 (GSW2) - N52-25 (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
    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. Read and record the DTCs and freeze frame data.

    5. Clear DTCs and freeze frame data.

    6. 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
      P3107-214 is not output. A
      P3107-214 is output again. B
    5. Turn the power switch off.


    B
    A
  5. CHECK FOR INTERMITTENT PROBLEMS

    Click here


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


    1. B002B9CE01
      Text in Illustration
      *A for LHD
      *B for RHD

      Check the connector connections and contact pressure of the relevant terminals for the power management control ECU connectors Click here.

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

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


    1. A000Q6YE02
      Text in Illustration
      *a

      Component with harness connected

      (Center Airbag Sensor Assembly)

      Check the connector connections and contact pressure of the relevant terminals for the center airbag sensor assembly connectors Click here.

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

    NG
    OK
  8. CHECK HARNESS AND CONNECTOR (+B SHORT)


    1. A000RECE01
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 IGCT No. 5 Fuse

      Remove the IGCT No. 5 fuse from the No. 1 engine room relay block and junction block assembly.

    2. for LHD:


      1. A000QBUE01
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse

        Remove the LH-IG2 fuse from the cowl side junction block LH.

      2. A000O5CE01
        Text in Illustration
        *1 Cowl Side Junction Block RH
        *2 AM2 Fuse

        Remove the AM2 fuse from the cowl side junction block RH.

    3. for RHD:


      1. A000P0KE02
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse
        *3 AM2 Fuse

        Remove the LH-IG2 fuse and AM2 fuse from the cowl side junction block LH.

    4. A000RV4E02
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect the connector from the center airbag sensor assembly.

    5. A000MTZE02
      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
      N92-13 (ABFS) - A35-1 (+B2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-3 (+B1) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-1 (AM22) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-7 (AM21) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-4 (MREL) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-1 (IG2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-1 (ACCD) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-10 (ACCI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-2 (IG1D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-2 (IG2D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-16 (SPDI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-19 (GI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-5 (FCTL) Power switch off 10 kΩ or higher
    6. Connect the center airbag sensor assembly connector.

    7. Install the LH-IG2 fuse, AM2 fuse and IGCT No. 5 fuse.


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


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

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

    3. A000SKDE02
      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
      N92-13 (ABFS) - N52-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      N92-13 (ABFS) or N52-14 (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
    OK
  10. CHECK POWER MANAGEMENT CONTROL ECU


    1. A000RV4E02
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect the connector from the center airbag sensor assembly.

    2. Turn the power switch on (IG).

    3. A000S3UE02
      Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      N92-13 (ABFS) - Body ground Power switch on (IG) 11 to 14 V

      Note

      Turning the power switch on (IG) with the center airbag sensor assembly connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

    4. Turn the power switch off.

    5. Connect the center airbag sensor assembly connector.


    OK
    NG
  11. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)


    1. A000RECE01
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 IGCT No. 5 Fuse

      Remove the IGCT No. 5 fuse from the No. 1 engine room relay block and junction block assembly.

    2. for LHD:


      1. A000QBUE01
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse

        Remove the LH-IG2 fuse from the cowl side junction block LH.

      2. A000O5CE01
        Text in Illustration
        *1 Cowl Side Junction Block RH
        *2 AM2 Fuse

        Remove the AM2 fuse from the cowl side junction block RH.

    3. for RHD:


      1. A000P0KE02
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse
        *3 AM2 Fuse

        Remove the LH-IG2 fuse and AM2 fuse from the cowl side junction block LH.

    4. A000RV4E02
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect the connector from the center airbag sensor assembly.

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

    6. A000ODTE02
      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
      N92-13 (ABFS) - A35-1 (+B2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-3 (+B1) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-1 (AM22) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-7 (AM21) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-4 (MREL) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-1 (IG2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-1 (ACCD) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-10 (ACCI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-2 (IG1D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-2 (IG2D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-16 (SPDI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-19 (GI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-5 (FCTL) Power switch off 10 kΩ or higher
    7. Connect the center airbag sensor assembly connector.

    8. Install the LH-IG2 fuse, AM2 fuse and IGCT No. 5 fuse.


    OK
    NG