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.

CAUTION / NOTICE / HINT

Tech Tips

After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.


  1. Turn the ignition switch to ON (IG) and wait for 15 seconds or more.

PROCEDURE


  1. CHECK DTC OUTPUT (SRS AIRBAG)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to 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 ignition 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 ignition switch to ON (READY).

    3. A01V1YYE02
      Text in Illustration
      *a

      Component with harness connected

      (Airbag Sensor Assembly)

      Measure the waveform.

      Item Contents
      Terminal F14-14 (GSW2) - F14-25 (E1)
      Equipment Setting 5 V/DIV., 500 ms/DIV.
      Condition Ignition 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 ignition switch off.


    B

    CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) Click here

    A

  3. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to 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 ignition switch off.


    NEXT

  4. CHECK DTC OUTPUT (HYBRID CONTROL)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to 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 ignition switch off.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    A

  5. CHECK FOR INTERMITTENT PROBLEMS

    Click here


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

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


    1. A01V0I0E01
      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

    CONNECT SECURELY

    OK

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


    1. A01V0LPE02
      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. A01UYHEE01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 AM2 Fuse
      *3 IGCT No. 2 Fuse

      Remove the IGCT No. 2 fuse and AM2 fuse from the No. 2 engine room relay block (w/ Power Switch).

    2. A01UZM9E01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 ECU-B No. 2 Fuse
      *3 IGCT No. 2 Fuse

      Remove the IGCT No. 2 fuse and ECU-B No. 2 fuse from the No. 2 engine room relay block (w/o Power Switch).

    3. A01V08TE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the airbag sensor assembly connector.

    4. A01UY3AE01
      Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

      Measure the resistance according to the value(s) in the table below (w/ Power Switch).

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F55-29 (ABFS) - A26-2 (+B2) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-1 (IG2) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-2 (IG2D) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-5 (+B1) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-6 (MREL) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-1 (AM22) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-14 (SPDI) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F56-1 (ACCD) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F56-2 (IG1D) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F56-7 (AM21) Power switch off 10 kΩ or higher
    5. A01V14TE01
      Text in Illustration
      *a

      Component with harness connected

      (Power Management Control ECU)

      Measure the resistance according to the value(s) in the table below (w/o Power Switch).

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F55-29 (ABFS) - A26-2 (+B2) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-1 (IG2) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-5 (+B1) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-6 (MREL) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-1 (BATT) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-14 (SPDI) Ignition switch off 10 kΩ or higher

    6. Connect the airbag sensor assembly connector.

    7. Install the IGCT No. 2 fuse and AM2 fuse (w/ Power Switch).

    8. Install the IGCT No. 2 fuse and ECU-B No. 2 fuse (w/o Power Switch).


    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 the power management control ECU connector.

    2. Disconnect the airbag sensor assembly connector.

    3. A01UY5NE02
      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)

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

      Standard Resistance (Check for Open)
      Tester Connection Switch Condition Specified Condition
      F55-29 (ABFS) - F14-14 (GSW2) Ignition switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      F55-29 (ABFS) or F14-14 (GSW2) - Body ground and other terminals Ignition 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. A01V08TE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the airbag sensor assembly connector.

    2. Turn the ignition switch to ON (IG).

    3. A01V0EZE02
      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
      F55-29 (ABFS) - Body ground Ignition switch ON (IG) 11 to 14 V

      Note

      Turning the ignition switch to 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 ignition switch off.

    5. Connect the airbag sensor assembly connector.


    OK

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

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


    1. A01UYHEE01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 AM2 Fuse
      *3 IGCT No. 2 Fuse

      Remove the IGCT No. 2 fuse and AM2 fuse from the No. 2 engine room relay block (w/ Power Switch).

    2. A01UZM9E01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 ECU-B No. 2 Fuse
      *3 IGCT No. 2 Fuse

      Remove the IGCT No. 2 fuse and ECU-B No. 2 fuse from the No. 2 engine room relay block (w/o Power Switch).

    3. A01V08TE02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the airbag sensor assembly connector.

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

    5. A01UZLOE02
      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 (w/ Power Switch).

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F55-29 (ABFS) - A26-2 (+B2) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-1 (IG2) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-2 (IG2D) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-5 (+B1) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-6 (MREL) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-1 (AM22) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-14 (SPDI) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F56-1 (ACCD) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F56-2 (IG1D) Power switch off 10 kΩ or higher
      F55-29 (ABFS) - F56-7 (AM21) Power switch off 10 kΩ or higher
    6. A01V0JDE01
      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 (w/o Power Switch).

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F55-29 (ABFS) - A26-2 (+B2) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-1 (IG2) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-5 (+B1) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - A27-6 (MREL) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-1 (BATT) Ignition switch off 10 kΩ or higher
      F55-29 (ABFS) - F55-14 (SPDI) Ignition switch off 10 kΩ or higher

    7. Connect the airbag sensor assembly connector.

    8. Connect the power management control ECU connectors.

    9. Install the IGCT No. 2 fuse and AM2 fuse (w/ Power Switch).

    10. Install the IGCT No. 2 fuse and ECU-B No. 2 fuse (w/o Power Switch).


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR