HYBRID CONTROL SYSTEM, Diagnostic DTC:P3107-215

DTC Code DTC Name
P3107-215 Lost Communication with Airbag System Control Module

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

  • Airbag ECU 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 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

    GO TO DTC CHART (AIRBAG SYSTEM) Click here

    A

  2. 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

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

    5. Turn the power switch off.


    B

    Click here

    A

  4. CHECK FOR INTERMITTENT PROBLEMS

    Click here


    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

    OK

    REPLACE AIRBAG ECU ASSEMBLY Click here

  5. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM)


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

    2. Turn the power switch on (READY).

    3. A0043DCE13
      Text in Illustration
      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Measure the waveform.

      Item Contents
      Terminal L13-14 (GSW2) - L13-25 (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

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

      A00444GE01
      OK
      The connectors are connected securely and there are no contact pressure problems.
      Text in Illustration
      *A for LHD *B for RHD

    NG

    CONNECT SECURELY

    OK

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


    1. A00401YE04
      Text in Illustration
      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Check the connector connections and contact pressure of the relevant terminals for the airbag ECU 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. A0040LAE01
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse
      *3 IGCT NO. 2 Fuse

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

    2. A00426FE20
      Text in Illustration
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the L13 airbag ECU assembly connector.

    3. A00409NE27
      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 Condition Specified Condition
      L5-29 (ABFS) - A20-2 (+B2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-5 (+B1) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-1 (AM22) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-7 (AM21) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-6 (MREL) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-1 (IG2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-1 (ACCD) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-2 (IG1D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-2 (IG2D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-14 (SPDI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A20-16 (GI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A20-4 (FCTL) Power switch off 10 kΩ or higher

    4. Reconnect the L13 airbag ECU 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 - AIRBAG ECU ASSEMBLY)


    1. Disconnect the L5 power management control ECU connector.

    2. Disconnect the L13 airbag ECU assembly connector.

    3. A0040I3E16
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      Rear view of wire harness connector

      (to Airbag ECU Assembly)

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      L5-29 (ABFS) - L13-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      L5-29 (ABFS) or L13-14 (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. Reconnect the L13 airbag ECU assembly connector.

    5. Reconnect the L5 power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE AIRBAG ECU ASSEMBLY Click here

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


    1. A0040LAE01
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse
      *3 IGCT NO. 2 Fuse

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

    2. A00426FE20
      Text in Illustration
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the L13 airbag ECU assembly connector.

    3. Disconnect the A20, A21, L5 and L6 power management control ECU connectors.

    4. A0043LLE77
      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 Condition Specified Condition
      L5-29 (ABFS) - A20-2 (+B2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-5 (+B1) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-1 (AM22) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-7 (AM21) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-6 (MREL) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-1 (IG2) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-1 (ACCD) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L6-2 (IG1D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A21-2 (IG2D) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - L5-14 (SPDI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A20-16 (GI) Power switch off 10 kΩ or higher
      L5-29 (ABFS) - A20-4 (FCTL) Power switch off 10 kΩ or higher

    5. Reconnect the A20, A21, L5 and L6 power management control ECU connectors.

    6. Reconnect the L13 airbag ECU 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