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. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P3107-215 Lost Communication with Airbag System Control Module

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 ECU assembly

  • Hybrid vehicle control ECU

 Does not come on

Master Warning Light:

Comes on
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

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. 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

  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 for DTCs.


      Powertrain > Hybrid Control > Trouble Codes
      Result
      Proceed to
      P3107-215 is not output.
      P3107-215 is output again.

    5. Turn the power switch off.


    P3107-215 is output again.

    CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM) Click here

    P3107-215 is not output.

  4. CHECK FOR INTERMITTENT PROBLEMS

    Click here

    Result
    Proceed to
    OK
    NG

    OK

    REPLACE AIRBAG ECU ASSEMBLY Click here

    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

  5. CHECK AIRBAG ECU 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 ECU assembly terminals specified in the table below.

    2. Turn the power switch on (READY).

    3. B002H4YC37
      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Measure the waveform.

      Item Contents
      Terminal I58-14 (GSW2) - I58-25 (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 appears as shown in the illustration.

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    The waveform differs from the one shown in the illustration.

  6. CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR)

    Result
    Proceed to
    OK
    NG

    1. A01CQIMC01
      *A for LHD
      *B for RHD

      Check the connector connections and contact pressure of the relevant terminals for the hybrid vehicle control ECU connectors.

      Click here

      OK
      The connectors are connected securely and there are no contact pressure problems.
      Result
      Proceed to
      OK
      NG

    NG

    CONNECT SECURELY

    OK

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

    Result
    Proceed to
    OK
    NG

    1. B002KRRC37
      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Check the connector connections and contact pressure of the relevant terminals for the I58 airbag ECU assembly connector.

      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)

    Result
    Proceed to
    OK
    NG

    1. B002HTLC01
      *1 Fuse Block Assembly
      *2 ECU-B NO. 3 Fuse

      Remove the ECU-B NO. 3 fuse from the fuse block assembly.

    2. B002KOLC01
      *1 No. 1 Engine Room Relay Block
      *2 IGCT NO. 3 Fuse

      Remove the IGCT NO. 3 fuse from the No. 1 engine room relay block.

    3. B002KDXC01
      *1 Instrument Panel Junction Block Assembly
      *2 IG2 NO. 1 Fuse

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

    4. B002K8VC42
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the I58 airbag ECU assembly connector.

    5. B002HCWC43
      *a

      Component with harness connected

      (Hybrid Vehicle Control ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I116-14 (ABFS) - A60-1 (+B2) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A61-4 (+B1) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - I116-3 (BATT) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A61-6 (MREL) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A60-3 (IG2) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A60-22 (ACCI) Power switch off 10 kΩ or higher

    6. Reconnect the I58 airbag ECU assembly connector.

    7. Install the ECU-B NO. 3 fuse.

    8. Install the IGCT NO. 3 fuse.

    9. Install the IG2 NO. 1 fuse.

      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  9. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - AIRBAG ECU ASSEMBLY)

    Result
    Proceed to
    OK
    NG

    1. Disconnect the I116 hybrid vehicle control ECU connector.

    2. Disconnect the I58 airbag ECU assembly connector.

    3. B002KPGC53
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle 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
      I116-14 (ABFS) - I58-14 (GSW2) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      I116-14 (ABFS) or I58-14 (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 I58 airbag ECU assembly connector.

    5. Reconnect the I116 hybrid vehicle control ECU connector.

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE AIRBAG ECU ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

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

    Result
    Proceed to
    OK
    NG

    1. B002HTLC01
      *1 Fuse Block Assembly
      *2 ECU-B NO. 3 Fuse

      Remove the ECU-B NO. 3 fuse from the fuse block assembly.

    2. B002KOLC01
      *1 No. 1 Engine Room Relay Block
      *2 IGCT NO. 3 Fuse

      Remove the IGCT NO. 3 fuse from the No. 1 engine room relay block.

    3. B002KDXC01
      *1 Instrument Panel Junction Block Assembly
      *2 IG2 NO. 1 Fuse

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

    4. B002K8VC42
      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the I58 airbag ECU assembly connector.

    5. Disconnect the A60, A61, I115 and I116 hybrid vehicle control ECU connectors.

    6. B002KKKC36
      *a

      Rear view of wire harness connector

      (to Hybrid Vehicle Control ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I116-14 (ABFS) - A60-1 (+B2) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A61-4 (+B1) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - I116-3 (BATT) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A61-6 (MREL) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A60-3 (IG2) Power switch off 10 kΩ or higher
      I116-14 (ABFS) - A60-22 (ACCI) Power switch off 10 kΩ or higher

    7. Reconnect the I58 airbag ECU assembly connector.

    8. Reconnect the A60, A61, I115 and I116 hybrid vehicle control ECU connectors.

    9. Install the ECU-B NO. 3 fuse.

    10. Install the IGCT NO. 3 fuse.

    11. Install the IG2 NO. 1 fuse.

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR