СИСТЕМА УПРАВЛЕНИЯ ГИБРИДНОЙ СИСТЕМОЙ, Diagnostic DTC:P3107-214

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

DESCRIPTION


DTC No. DTC Detection Condition Trouble Area
P3107-214

Open or short to +B in the communication circuit

(1 trip detection logic)

  • Wire harness or connector

  • Center airbag sensor assembly

  • Power management control ECU
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.

INSPECTION PROCEDURE

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.

      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 CENTER AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)


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

    2. Turn the power switch on (READY).

    3. A01FRW0E05
      Text in Illustration
      *a

      Component with harness connected

      (Center Airbag Sensor Assembly)

      Measure the waveform.

      Item Contents
      Terminal N52-14 (GSW2) - N52-25 (E1)
      Equipment Setting 5 V/DIV., 500 ms./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

  3. 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 the DTCs and freeze frame data.

    6. Turn the power switch off.


    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.

      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. A01FQC6E01
      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 (CENTER AIRBAG SENSOR ASSEMBLY CONNECTOR)


    1. A01FU5UE07
      Text in Illustration
      *a

      Component with harness connected

      (Center Airbag Sensor Assembly)

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

      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. A01FUV9E02
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 IGCT NO. 5 Fuse

      Remove the IGCT NO. 5 fuse from the No. 1 engine room relay block and junction block assembly.

    2. for LHD:


      1. A01FRA7E01
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse

        Remove the LH-IG2 fuse from the cowl side junction block LH.

      2. A01FSLDE01
        Text in Illustration
        *1 Cowl Side Junction Block RH
        *2 AM2 Fuse

        Remove the AM2 fuse from the cowl side junction block RH.

    3. for RHD:


      1. A01FRGIE02
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse
        *3 AM2 Fuse

        Remove the LH-IG2 fuse and AM2 fuse from the cowl side junction block LH.

    4. A01FTVYE06
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect the N52 center airbag sensor assembly connector.

    5. A01FQI2E07
      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
      N92-13 (ABFS) - A35-1 (+B2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-3 (+B1) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-1 (AM22) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-7 (AM21) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-4 (MREL) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-1 (IG2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-10 (ACCI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-1 (ACCD) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-2 (IG1D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-2 (IG2D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-16 (SPDI) Power switch off 10 kΩ or higher

    6. Reconnect the N52 center airbag sensor assembly connector.

    7. Install the LH-IG2 fuse, AM2 fuse and IGCT NO. 5 fuse.


    NG

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

    OK

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


    1. Disconnect the N92 power management control ECU connector.

    2. Disconnect the N52 center airbag sensor assembly connector.

    3. A01FRF3E01
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      Rear view of wire harness connector

      (to Center 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
      N92-13 (ABFS) - N52-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      N92-13 (ABFS) or N52-14 (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 N52 center airbag sensor assembly connector.

    5. Reconnect the N92 power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK POWER MANAGEMENT CONTROL ECU


    1. A01FTVYE06
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect the N52 center airbag sensor assembly connector.

    2. Turn the power switch on (IG).

    3. A01FQI2E02
      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
      N92-13 (ABFS) - Body ground Power switch on (IG) 11 to 14 V

      Note

      Turning the power switch on (IG) with the center 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 N52 center airbag sensor assembly connector.


    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    OK

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

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


    1. A01FUV9E02
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 IGCT NO. 5 Fuse

      Remove the IGCT NO. 5 fuse from the No. 1 engine room relay block and junction block assembly.

    2. for LHD:


      1. A01FRA7E01
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse

        Remove the LH-IG2 fuse from the cowl side junction block LH.

      2. A01FSLDE01
        Text in Illustration
        *1 Cowl Side Junction Block RH
        *2 AM2 Fuse

        Remove the AM2 fuse from the cowl side junction block RH.

    3. for RHD:


      1. A01FRGIE02
        Text in Illustration
        *1 Cowl Side Junction Block LH
        *2 LH-IG2 Fuse
        *3 AM2 Fuse

        Remove the LH-IG2 fuse and AM2 fuse from the cowl side junction block LH.

    4. A01FTVYE06
      Text in Illustration
      *a

      Component without harness connected

      (Center Airbag Sensor Assembly)

      Disconnect the N52 center airbag sensor assembly connector.

    5. Disconnect the A35, A36, N91 and N92 power management control ECU connectors.

    6. A01FTWRE11
      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
      N92-13 (ABFS) - A35-1 (+B2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-3 (+B1) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-1 (AM22) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-7 (AM21) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-4 (MREL) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-1 (IG2) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A35-10 (ACCI) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-1 (ACCD) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N92-2 (IG1D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - A36-2 (IG2D) Power switch off 10 kΩ or higher
      N92-13 (ABFS) - N91-16 (SPDI) Power switch off 10 kΩ or higher

    7. Reconnect the A35, A36, N91 and N92 power management control ECU connectors.

    8. Reconnect the N52 center airbag sensor assembly connector.

    9. Install the LH-IG2 fuse, AM2 fuse and IGCT NO. 5 fuse.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here