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Home >> Toyota >> 2020 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 166 (Hybrid Control System (2WD, W/ Nickel Metal Hydride Battery) - Diagnostic Codes (5 Of 6)) >> HYBRID CONTROL SYSTEM (for 2WD with NICKEL METAL HYDRIDE BATTERY) >> DTC P3107-15: Lost Communication with Airbag System Control Module Circuit Short to Auxiliary Battery or Open [11/2018 - 08/2020] >> Procedure

DTC P3107-15: Lost Communication with Airbag System Control Module Circuit Short to Auxiliary Battery or Open [11/2018 - 08/2020]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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 for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result  Proceed to
      Airbag system DTCs are not output. A
      Airbag system DTCs are output. B
    5. Turn the power switch off.

    Result: 

    B 

    GO TO DTC CHART (AIRBAG SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2018 - 08/2020] 

    Result: 

    A 

    See step  2

  2. CHECK AIR BAG SENSOR ASSEMBLY (CHECK WAVEFORM) 

    See step  2

    Result

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

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  3

  3. CLEAR DTC 

    Refer to PROCEDURE - Step 3

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  4

  4. 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 for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result  Proceed to
      P3107-15 is not output. A
      P3107-15 is output again. B
    5. Turn the power switch off.

    Result: 

    B 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020] 

    Result: 

    A 

    See step  5

  5. CHECK FOR INTERMITTENT PROBLEMS 

    Refer to CHECK FOR INTERMITTENT PROBLEMS [11/2018 - 08/2020]

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020] 

    Result: 

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

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

    Refer to PROCEDURE - Step 1

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  7

  7. CHECK CONNECTOR CONNECTION CONDITION (AIRBAG SENSOR ASSEMBLY CONNECTOR) 
    1. Check the connector connections and contact pressure of the relevant terminals for the G70 airbag sensor assembly connector.
      GTY900959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Airbag Sensor Assembly)

      OK

      The connectors are connected securely and there are no contact pressure problems.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - AIRBAG SENSOR ASSEMBLY) 
    1. Disconnect the A30 hybrid vehicle control ECU assembly connector.
    2. Disconnect the G70 airbag sensor assembly connector.
    3. Turn the power switch on (IG).
    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A30-29 (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 assembly connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

      GTY884958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
    5. Turn the power switch off.
    6. Measure the resistance according to the value(s) in the table below.
      GTY874631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
      *b Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      A30-29 (ABFS) - G70-24 (GSW2) Power switch off Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      A30-29 (ABFS) or G70-24 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher
    7. Reconnect the G70 airbag sensor assembly connector.
    8. Reconnect the A30 hybrid vehicle control ECU assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  9

  9. CHECK HYBRID VEHICLE CONTROL ECU ASSEMBLY 
    1. Disconnect the A30 airbag sensor assembly connector.
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.
      GTY894600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU Assembly)      		 - -
      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.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A30-29 (ABFS) - Body ground Power switch on (IG) 11 to 14 V
    4. Turn the power switch off.
    5. Reconnect the A30 airbag sensor assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020] 

    Result: 

    OK 

    See step  10

  10. CHECK HARNESS AND CONNECTOR (AIRBAG SENSOR ASSEMBLY - BODY GROUND) 
    1. Disconnect the G70 airbag sensor assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY854873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Airbag Sensor Assembly)

      Standard Resistance (Check for Open)

      Tester Connection Condition Specified Condition
      G70-33 (E1) - Body ground Power switch off Below 1 Ω
    3. Reconnect the G70 airbag sensor assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE AIR BAG SENSOR ASSEMBLY. Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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