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

  • 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.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (SRS AIRBAG)


    1. Connect the Techstream 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 SENSOR ASSEMBLY (CHECK WAVEFORM)


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

    2. Turn the power switch on (READY).

    3. Measure the waveform.

      A01HTZDE01
      Item Contents
      Terminal I47-14 (GSW2) - I47-25 (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
      Text in Illustration
      *a

      Component with harness connected

      (Airbag Sensor Assembly)

    4. Turn the power switch off.


    B

    Click here

    A

  3. CLEAR DTC


    1. Connect the Techstream 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 Techstream 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

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    A

  5. CHECK FOR INTERMITTENT PROBLEMS

    Click here


    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

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


    1. A01HTUV

      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

    CONNECT SECURELY

    OK

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


    1. A01HU4DE01
      Text in Illustration
      *a

      Component with harness connected

      (Airbag Sensor Assembly)

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

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

    NG

    CONNECT SECURELY

    OK

  8. CHECK HARNESS AND CONNECTOR (+B SHORT)


    1. A01HV86E01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 PM IGCT Fuse

      Remove the PM IGCT fuse from the No. 2 engine room relay block.

    2. A01HV2KE01
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse

      Remove the AM2 fuse from the engine room relay block and junction block assembly.

    3. A01HVL0E01
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 ECU-IG2 NO. 1 Fuse

      Remove the ECU-IG2 NO. 1 fuse from the instrument panel junction block assembly.

    4. A01HT0IE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect connector I47 from the airbag sensor assembly.

    5. A01HT79E20
      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
      I3-29 (ABFS) - A38-2 (+B2) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-5 (+B1) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I3-1 (AM22) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I4-7 (AM21) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-6 (MREL) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-1 (IG2) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I4-1 (ACCD) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I4-2 (IG1D) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-2 (IG2D) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I3-14 (SPDI) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A38-16 (GI) Power switch off 10 kΩ or higher

    6. Connect the airbag sensor assembly connector.

    7. Install the PM IGCT fuse, AM2 fuse and ECU-IG2 NO. 1 fuse.


    NG

    CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES) Click here

    OK

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


    1. Disconnect connector I3 from the power management control ECU.

    2. Disconnect connector I47 from the airbag sensor assembly.

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

      A01HVWAE01
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

      		 *b

      Rear view of wire harness connector

      (to Airbag Sensor Assembly)
      Standard Resistance (Check for Open)
      Tester Connection Switch Condition Specified Condition
      I3-29 (ABFS) - I47-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      I3-29 (ABFS) or I47-14 (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 airbag sensor assembly connector.

    5. Connect the power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK POWER MANAGEMENT CONTROL ECU


    1. A01HT0IE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect connector I47 from the airbag sensor assembly.

    2. Turn the power switch on (IG).

    3. A01HVMPE12
      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
      I3-29 (ABFS) - Body ground Power switch on (IG) 11 to 14 V

      Note

      Turning the power switch on (IG) with the 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 airbag sensor assembly connector.


    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    OK

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

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


    1. A01HV86E01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 PM IGCT Fuse

      Remove the PM IGCT fuse from the No. 2 engine room relay block.

    2. A01HV2KE01
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse

      Remove the AM2 fuse from the engine room relay block and junction block assembly.

    3. A01HVL0E01
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 ECU-IG2 NO. 1 Fuse

      Remove the ECU-IG2 NO. 1 fuse from the instrument panel junction block assembly.

    4. A01HT0IE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect connector I47 from the airbag sensor assembly.

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

    6. A01HSQ1E46
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      I3-29 (ABFS) - A38-2 (+B2) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-5 (+B1) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I3-1 (AM22) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I4-7 (AM21) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-6 (MREL) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-1 (IG2) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I4-1 (ACCD) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I4-2 (IG1D) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A39-2 (IG2D) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - I3-14 (SPDI) Power switch off 10 kΩ or higher
      I3-29 (ABFS) - A38-16 (GI) Power switch off 10 kΩ or higher

    7. Connect the power management control ECU connectors.

    8. Connect the airbag sensor assembly connector.

    9. Install the PM IGCT fuse, AM2 fuse and ECU-IG2 NO. 1 fuse.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here