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

  • 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 (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 DTC CHART 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. 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 (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

    CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM) 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 AIRBAG SENSOR ASSEMBLY Click here

  5. CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)


    1. Turn the power switch on (READY).

    2. A01NETYE01
      Text in Illustration
      *1

      Component with harness connected

      (Airbag Sensor Assembly)

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

      Item Contents
      Terminal F29-14 (GSW2) - F29-25 (E1)
      Equipment Setting 5V/DIV, 500ms/DIV
      Condition Power switch on (READY)
      Result
      Result Proceed to
      The waveform appears as shown in the illustration. for LHD A
      for RHD B
      The waveform differs from the one shown in the illustration. C

    3. Turn the power switch off.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    C

    Click here

    A

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

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


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

      A01NF3IE01
      Text in Illustration
      *1 for LHD *2 for RHD
      OK
      The connectors are connected securely and there are no contact problems.

    NG

    CONNECT SECURELY

    OK

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


    1. A01NF9KE01
      Text in Illustration
      *1

      Component with harness connected

      (Airbag Sensor Assembly)

      Check the connections of the airbag sensor assembly 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. A01NHIYE01
      Text in Illustration
      *1 Engine Room Relay Block No. 2
      *2 IGCT No. 3 Fuse

      Remove the IGCT No. 3 fuse from the engine room relay block No. 2.

    2. A01NF1AE01
      Text in Illustration
      *1 Engine Room Junction Block Assembly
      *2 AM2 Fuse

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

    3. A01NF4XE01
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 ECU IG2 Fuse

      Remove the ECU IG2 fuse from the instrument panel junction block assembly.

    4. A01NF9KE03
      Text in Illustration
      *1 Airbag Sensor Assembly

      Disconnect the F29 connector from the airbag sensor assembly.

    5. A01NFKTE01
      Text in Illustration
      *1 Power Management Control ECU

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F97-29 (ABFS) - A80-2 (+B2) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-5 (+B1) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F97-1 (AM22) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F98-7 (AM21) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-6 (MREL) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-1 (IG2) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F98-1 (ACCD) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F98-2 (IG1D) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-2 (IG2D) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F97-14 (SPDI) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A80-16 (GI) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A80-4 (FCTL) Power switch off 10 kΩ or higher

    6. Connect the airbag sensor assembly connector.

    7. Install the ECU IG2 fuse to the instrument panel junction block assembly.

    8. Install the AM2 fuse to the engine room junction block assembly.

    9. Install the IGCT No. 3 fuse to the engine room relay block No. 2.


    NG

    Click here

    OK

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


    1. Disconnect the F97 connector from the power management control ECU.

    2. Disconnect the F29 connector from the airbag sensor assembly.

    3. A01NGTUE01
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *2

      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
      F97-29 (ABFS) - F29-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      F97-29 (ABFS) or F29-14 (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

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

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


    1. A01NHIYE01
      Text in Illustration
      *1 Engine Room Relay Block No. 2
      *2 IGCT No. 3 Fuse

      Remove the IGCT No. 3 fuse from the engine room relay block No. 2.

    2. A01NF1AE01
      Text in Illustration
      *1 Engine Room Junction Block Assembly
      *2 AM2 Fuse

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

    3. A01NF4XE01
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 ECU IG2 Fuse

      Remove the ECU IG2 fuse from the instrument panel junction block assembly.

    4. A01NF9KE03
      Text in Illustration
      *1 Airbag Sensor Assembly

      Disconnect the F29 connector from the airbag sensor assembly.

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

    6. A01NGXZE13
      Text in Illustration
      *1 Power Management Control ECU

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      F97-29 (ABFS) - A80-2 (+B2) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-5 (+B1) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F97-1 (AM22) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F98-7 (AM21) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-6 (MREL) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-1 (IG2) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F98-1 (ACCD) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F98-2 (IG1D) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A81-2 (IG2D) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - F97-14 (SPDI) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A80-16 (GI) Power switch off 10 kΩ or higher
      F97-29 (ABFS) - A80-4 (FCTL) Power switch off 10 kΩ or higher
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    7. Connect the power management control ECU connectors.

    8. Connect the airbag sensor assembly connector.

    9. Install the ECU IG2 fuse to the instrument panel junction block assembly.

    10. Install the AM2 fuse to the engine room junction block assembly.

    11. Install the IGCT No. 3 fuse to the engine room relay block No. 2.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here