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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (2GR-FXE) - Diagnostic Codes (7 Of 7) >> Hybrid Control System >> DTC P3107-214: Lost Communication with Airbag System Control Module [02/2014 - 11/2016] >> Procedure

DTC P3107-214: Lost Communication with Airbag System Control Module [02/2014 - 11/2016]: 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 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.

    Result:  2

    Airbag system DTCs are output. 

    GO TO DTC CHART (AIRBAG SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2014 - ] 

    Result:  1

    Airbag system DTCs are not output. 

    See step  2

  2. CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM) 

    Refer to PROCEDURE - Step 2

    Result

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

    Result:  2

    The waveform differs from the one shown in the illustration. 

    See step  6

    Result:  1

    The waveform appears as shown in the illustration. 

    See step  3

  3. CLEAR DTC 

    Refer to PROCEDURE - Step 3

    Result

    Proceed to
    NEXT

    Result:  1

    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

      Proceed to
      P3107-214 is not output.
      P3107-214 is output again.
    5. Turn the power switch off.

    Result:  2

    P3107-214 is output again. 

    REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  COMPONENTS [02/2014 - 11/2016] 

    Result:  1

    P3107-214 is not output. 

    See step  5

  5. CHECK FOR INTERMITTENT PROBLEMS 

    Refer to CHECK FOR INTERMITTENT PROBLEMS [02/2014 - ]

    Result

    Proceed to
    OK
    NG

    Result:  1

    OK 

    REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  COMPONENTS [02/2014 - 11/2016] 

    Result:  2

    NG 

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

  6. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) 

    Refer to PROCEDURE - Step 1

    Result

    Proceed to
    OK
    NG

    Result:  2

    NG 

    CONNECT SECURELY 

    Result:  1

    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 F38 airbag sensor assembly connector.
      GTY444302Courtesy 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:  2

    NG 

    CONNECT SECURELY 

    Result:  1

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (+B SHORT) 
    1. Remove the IG2-EFI fuse from the No. 1 engine room relay block and No. 1 junction block assembly.
      GTY433785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2 IG2-EFI Fuse
    2. Remove the PM-IGCT fuse from the No. 3 engine room relay block.
      GTY436902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Engine Room Relay Block
      *2 PM-IGCT Fuse
    3. Remove the AM2 fuse and ECU-ACC fuse from the instrument panel junction block assembly.
      GTY436574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Instrument Panel Junction Block Assembly
      *2 AM2 Fuse
      *3 ECU-ACC Fuse
    4. Disconnect the F38 airbag sensor assembly connector.
      GTY424448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Airbag Sensor Assembly)
    5. Measure the resistance according to the value(s) in the table below.
      GTY426222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Power Management Control ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      F16-13 (ABFS) - A60-1 (+B2) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A61-3 (+B1) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F15-1 (AM22) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F16-7 (AM21) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A60-4 (MREL) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A61-1 (IG2) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A60-10 (ACCI) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F16-1 (ACCD) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F16-2 (IG1D) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A60-5 (FCTL) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F15-16 (SPDI) Power switch off 10 kΩ or higher
    6. Reconnect the F38 airbag sensor assembly connector.
    7. Install the AM2 fuse and ECU-ACC fuse.
    8. Install the PM-IGCT fuse.
    9. Install the IG2-EFI fuse.

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    See step  11

    Result:  1

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG SENSOR ASSEMBLY) 
    1. Disconnect the F16 power management control ECU connector.
    2. Disconnect the F38 airbag sensor assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY438253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *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 Condition Specified Condition
      F16-13 (ABFS) - F38-14 (GSW2) Power switch off Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Condition Specified Condition
      F16-13 (ABFS) or F38-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher

      HINT: 

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

    4. Reconnect the F38 airbag sensor assembly connector.
    5. Reconnect the F16 power management control ECU connector.

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  10

  10. CHECK POWER MANAGEMENT CONTROL ECU 
    1. Disconnect the F38 airbag sensor assembly connector.
      GTY424447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Airbag Sensor Assembly)
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.
      GTY426224Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Power Management Control ECU)

      Standard Voltage

      Tester Connection Condition Specified Condition
      F16-13 (ABFS) - Body ground Power switch on (IG) 11 to 14 V
      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.

    4. Turn the power switch off.
    5. Reconnect the F38 airbag sensor assembly connector.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  COMPONENTS [02/2014 - ] 

    Result:  2

    NG 

    REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  COMPONENTS [02/2014 - 11/2016] 

  11. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES) 
    1. Remove the IG2-EFI fuse from the No. 1 engine room relay block and No. 1 junction block assembly.
      GTY433785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2 IG2-EFI Fuse
    2. Remove the PM-IGCT fuse from the No. 3 engine room relay block.
      GTY436902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 3 Engine Room Relay Block
      *2 PM-IGCT Fuse
    3. Remove the AM2 fuse and ECU-ACC fuse from the instrument panel junction block assembly.
      GTY436574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Instrument Panel Junction Block Assembly
      *2 AM2 Fuse
      *3 ECU-ACC Fuse
    4. Disconnect the F38 airbag sensor assembly connector.
      GTY424445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Airbag Sensor Assembly)
    5. Disconnect the A60, A61, F15 and F16 power management control ECU connectors.
    6. Measure the resistance according to the value(s) in the table below.
      GTY600901Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Power Management Control ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      F16-13 (ABFS) - A60-1 (+B2) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A61-3 (+B1) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F15-1 (AM22) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F16-7 (AM21) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A60-4 (MREL) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A61-1 (IG2) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A60-10 (ACCI) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F16-1 (ACCD) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F16-2 (IG1D) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - A60-5 (FCTL) Power switch off 10 kΩ or higher
      F16-13 (ABFS) - F15-16 (SPDI) Power switch off 10 kΩ or higher
    7. Reconnect the A60, A61, F15 and F16 power management control ECU connectors.
    8. Reconnect the F38 airbag sensor assembly connector.
    9. Install the AM2 fuse and ECU-ACC fuse.
    10. Install the PM-IGCT fuse.
    11. Install the IG2-EFI fuse.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  COMPONENTS [02/2014 - 11/2016] 

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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