HYBRID CONTROL SYSTEM, Diagnostic DTC:P3107-214

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

DESCRIPTION

Refer to the description for DTC P3107-213.

Click here

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P3107-214 Lost Communication with Airbag System Control Module

Open or short to +B in the communication circuit

(1 trip detection logic)

  • Wire harness or connector

  • Airbag sensor assembly

  • Power management control ECU

 Does not come on

Master Warning Light:

Comes on
Related Data List
DTC No. Data List
P3107-214 Collision Signal (Airbag)

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 power switch 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 power switch on (IG).

    3. Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

    4. Check for DTCs.


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      Airbag system DTCs are not output.
      Airbag system DTCs are output.

    5. Turn the power switch off.


    Airbag system DTCs are output.

    GO TO DTC CHART (AIRBAG SYSTEM) Click here

    Airbag system DTCs are not output.

  2. CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)

    Result
    Proceed to
    The waveform appears as shown in the illustration.
    The waveform differs from the one shown in the illustration.

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

    2. Turn the power switch on (READY).

    3. A01MSY5C10
      *a

      Component with harness connected

      (Airbag Sensor Assembly)

      Measure the waveform.

      Item Contents
      Terminal K51-14 (GSW2) - K51-25 (E1)
      Equipment Setting 5 V/DIV., 500 ms./DIV.
      Condition Power switch on (READY)
      Result
      Proceed to
      The waveform appears as shown in the illustration.
      The waveform differs from the one shown in the illustration.

    4. Turn the power switch off.


    The waveform differs from the one shown in the illustration.

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

    The waveform appears as shown in the illustration.

  3. CLEAR DTC

    Result
    Proceed to
    NEXT

    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.


      Powertrain > Hybrid Control > Trouble Codes

    5. Clear the DTCs and freeze frame data.


      Powertrain > Hybrid Control > Clear DTCs

    6. Turn the power switch off.

      Result
      Proceed to
      NEXT

    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 for DTCs.


      Powertrain > Hybrid Control > Trouble Codes
      Result
      Proceed to
      P3107-214 is not output.
      P3107-214 is output again.

    5. Turn the power switch off.


    P3107-214 is output again.

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    P3107-214 is not output.

  5. CHECK FOR INTERMITTENT PROBLEMS

    Click here

    Result
    Proceed to
    OK
    NG

    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)

    Result
    Proceed to
    OK
    NG

    1. 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.
      B003YJQC01
      *A for LHD *B for RHD
      Result
      Proceed to
      OK
      NG

    NG

    CONNECT SECURELY

    OK

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


    1. A01MRNWC08
      *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.
      Result
      Proceed to
      OK
      NG

    NG

    CONNECT SECURELY

    OK

  8. CHECK HARNESS AND CONNECTOR (+B SHORT)


    1. A0022FCC08
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2 PM-IGCT Fuse

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

    2. A00211KC05
      *1 Instrument Panel Junction Block Assembly
      *2 AM2 Fuse
      *3 IGN NO. 1 Fuse
      *4 ECU-ACC Fuse

      Remove the AM2 fuse, IGN No. 1 fuse and ECU-ACC fuse from the instrument panel junction block assembly.

    3. A01MT5SC07
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the K51 airbag sensor assembly connector.

    4. A01MTVXC12
      *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
      K33-13 (ABFS) - A62-1 (+B2) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A63-3 (+B1) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K32-1 (AM22) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K33-7 (AM21) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A62-4 (MREL) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A63-1 (IG2) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A62-10 (ACCI) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K33-1 (ACCD) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K33-2 (IG1D) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K32-16 (SPDI) Power switch off 10 kΩ or higher

    5. Reconnect the K51 airbag sensor assembly connector.

    6. Install the AM2 fuse, IGN No. 1 fuse and ECU-ACC fuse.

    7. Install the PM-IGCT fuse.

      Result
      Proceed to
      OK
      NG

    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 K33 power management control ECU connector.

    2. Disconnect the K51 airbag sensor assembly connector.

    3. A01MTK6C07
      *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 Condition Specified Condition
      K33-13 (ABFS) - K51-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      K33-13 (ABFS) or K51-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher

      Tech Tips

      As necessary, check that there are no wires shorted to power supply when performing the above wire harness inspection.

    4. Reconnect the K51 airbag sensor assembly connector.

    5. Reconnect the K33 power management control ECU connector.

      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK POWER MANAGEMENT CONTROL ECU


    1. A01MT5SC07
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the K51 airbag sensor assembly connector.

    2. Turn the power switch on (IG).

    3. A01MTVXC13
      *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 Condition Specified Condition
      K33-13 (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. Reconnect the K51 airbag sensor assembly connector.

      Result
      Proceed to
      OK
      NG

    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. A0022FCC08
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2 PM-IGCT Fuse

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

    2. A00211KC05
      *1 Instrument Panel Junction Block Assembly
      *2 AM2 Fuse
      *3 IGN NO. 1 Fuse
      *4 ECU-ACC Fuse

      Remove the AM2 fuse, IGN No. 1 fuse and ECU-ACC fuse from the instrument panel junction block assembly.

    3. A01MT5SC07
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the K51 airbag sensor assembly connector.

    4. Disconnect the A62, A63, K32 and K33 power management control ECU connectors.

    5. A01MU0VC62
      *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
      K33-13 (ABFS) - A62-1 (+B2) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A63-3 (+B1) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K32-1 (AM22) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K33-7 (AM21) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A62-4 (MREL) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A63-1 (IG2) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - A62-10 (ACCI) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K33-1 (ACCD) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K33-2 (IG1D) Power switch off 10 kΩ or higher
      K33-13 (ABFS) - K32-16 (SPDI) Power switch off 10 kΩ or higher

    6. Reconnect the A62, A63, K32 and K33 power management control ECU connectors.

    7. Reconnect the K51 airbag sensor assembly connector.

    8. Install the AM2 fuse, IGN No. 1 fuse and ECU-ACC fuse.

    9. Install the PM-IGCT fuse.

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR