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 ECU assembly

  • Hybrid vehicle control ECU

Does not come on

Master Warning Light:

Comes on

Table 1. Related Data List

DTC No.

Data List

P3107-214

Collision Signal (Airbag)

WIRING DIAGRAM

A254875E68
A345438E05

CAUTION / NOTICE / HINT

Tip:

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)

    w/ Occupant Classification System:Click here

    w/o Occupant Classification System:Click here

    Airbag system DTCs are not output.
  2. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM)

    Click here

    Result

    Proceed to

    The waveform appears as shown in the illustration.

    The waveform differs from the one shown in the illustration.

    The waveform differs from the one shown in the illustration.

    CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR)Click here

    The waveform appears as shown in the illustration.
  3. CLEAR DTC

    Click here

    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 HYBRID VEHICLE CONTROL ECU

    P3107-214 is not output.
  5. CHECK FOR INTERMITTENT PROBLEMS

    Click here

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE HYBRID VEHICLE CONTROL ECU

    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

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

    Click here

    Result

    Proceed to

    OK

    NG

    NG

    CONNECT SECURELY

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

    1. A256536C34

      *a

      Component with harness connected

      (Airbag ECU Assembly)

      Check the connector connections and contact pressure of the relevant terminals for the G92 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 (HYBRID VEHICLE CONTROL ECU - AIRBAG ECU ASSEMBLY)

    1. Disconnect the G194 hybrid vehicle control ECU connector.

    2. Disconnect the G92 airbag ECU assembly connector.

    3. Turn the power switch on (IG).

    4. C257177C48

      *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 voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G194-14 (ABFS) - Body ground

      Power switch on (IG)

      Below 1 V

      Note:

      Turning the power switch on (IG) with the airbag sensor assembly connector and the hybrid vehicle control ECU connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

    5. Turn the power switch off.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      G194-14 (ABFS) - G92-14 (GSW2)

      Power switch off

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      G194-14 (ABFS) or G92-14 (GSW2) - Body ground and other terminals

      Power switch off

      10 kΩ or higher

      Tip:

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

    7. Reconnect the G92 airbag ECU assembly connector.

    8. Reconnect the G194 hybrid vehicle control ECU connector.

    Result

    Proceed to

    OK

    NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK
  9. CHECK HYBRID VEHICLE CONTROL ECU

    1. A256537C43

      *a

      Component without harness connected

      (Airbag ECU Assembly)

      Disconnect the G92 airbag ECU assembly connector.

    2. Turn the power switch on (IG).

    3. A374897C11

      *a

      Component with harness connected

      (Hybrid Vehicle Control ECU)

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G194-14 (ABFS) - Body ground

      Power switch on (IG)

      11 to 14 V

      Note:

      Turning the power switch on (IG) with the airbag ECU 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 G92 airbag ECU assembly connector.

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE AIRBAG ECU ASSEMBLY

    NG

    REPLACE HYBRID VEHICLE CONTROL ECU