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:

Communication from the airbag ECU assembly stopped and circuit high has been detected for a certain period.

(1 trip detection logic)

  • Wire harness or connector

  • Airbag sensor assembly

  • Power management control ECU
Related Data List
DTC No. Data List
P3107-215 Collision Signal (Airbag)

WIRING DIAGRAM

Refer to the wiring diagram for DTC P3107-214 Click here.

Refer to the wiring diagram for the HV battery high-voltage line circuit 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 Techstream 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 Techstream to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Clear DTCs and freeze frame data.

    5. Turn the power switch off.


    NEXT

  3. CHECK DTC OUTPUT (HYBRID CONTROL)


    1. Connect the Techstream 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 SENSOR ASSEMBLY Click here

  5. CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)


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

    2. Turn the power switch on (READY).

    3. Measure the waveform.

      A01I3U5E01
      Item Contents
      Terminal I47-14 (GSW2) - I47-25 (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
      Text in Illustration
      *a

      Component with harness connected

      (Airbag Sensor Assembly)

    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. A01I61A

      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. A01I5D8E01
      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. A01I32RE01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 PM IGCT Fuse

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

    2. A01I5TVE01
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse

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

    3. A01I5UDE01
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 ECU-IG2 NO. 1 Fuse

      Remove the ECU-IG2 NO. 1 fuse from the instrument panel junction block assembly.

    4. A01I4S7E02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the I47 airbag sensor assembly connector.

    5. A01I3MKE33
      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
      I4-13 (ABFS) - A38-1 (+B2) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A39-3 (+B1) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I3-1 (AM22) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I4-7 (AM21) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A38-4 (MREL) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A39-1 (IG2) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I4-1 (ACCD) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I4-2 (IG1D) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A39-2 (IG2D) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I3-16 (SPDI) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A38-19 (GI) Power switch off 10 kΩ or higher

    6. Reconnect the I47 airbag sensor assembly connector.

    7. Install the PM IGCT fuse, AM2 fuse and ECU-IG2 NO. 1 fuse.


    NG

    Click here

    OK

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


    1. Disconnect the I4 power management control ECU connector.

    2. Disconnect the I47 airbag sensor assembly connector.

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

      A01I3CAE01
      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)
      Standard Resistance (Check for Open)
      Tester Connection Switch Condition Specified Condition
      I4-13 (ABFS) - I47-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      I4-13 (ABFS) or I47-14 (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 I47 airbag sensor assembly connector.

    5. Reconnect the I4 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. A01I32RE01
      Text in Illustration
      *1 No. 2 Engine Room Relay Block
      *2 PM IGCT Fuse

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

    2. A01I5TVE01
      Text in Illustration
      *1 Engine Room Relay Block and Junction Block Assembly
      *2 AM2 Fuse

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

    3. A01I5UDE01
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 ECU-IG2 NO. 1 Fuse

      Remove the ECU-IG2 NO. 1 fuse from the instrument panel junction block assembly.

    4. A01I4S7E02
      Text in Illustration
      *a

      Component without harness connected

      (Airbag Sensor Assembly)

      Disconnect the I47 airbag sensor assembly connector.

    5. Disconnect the all power management control ECU connectors.

    6. A01I604E04
      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
      I4-13 (ABFS) - A38-1 (+B2) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A39-3 (+B1) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I3-1 (AM22) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I4-7 (AM21) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A38-4 (MREL) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A39-1 (IG2) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I4-1 (ACCD) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I4-2 (IG1D) Power switch off 10 kΩ or higher
      I4-31 (ABFS) - A39-2 (IG2D) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - I3-16 (SPDI) Power switch off 10 kΩ or higher
      I4-13 (ABFS) - A38-19 (GI) Power switch off 10 kΩ or higher

    7. Reconnect the power management control ECU connectors.

    8. Reconnect the I47 airbag sensor assembly connector.

    9. Install the PM IGCT fuse, AM2 fuse and ECU-IG2 NO. 1 fuse.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here