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Home >> Toyota >> 2014 >> RAV4 EV >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes (Chg_F076 - U0424-537) & Circuit Tests)) (Electric) >> Hybrid Control System >> DTC P3107-214: Lost Communication with Airbag System Control Module [09/2013 - ] >> Procedure

DTC P3107-214: Lost Communication with Airbag System Control Module [09/2013 - ]: 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 → See step   14 

    A: Go to next step 

  2. CHECK CENTER AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM) See step   2 

    B → See step   6 

    A: Go to next step 

  3. CLEAR DTC See step   3 

    NEXT: Go to next step 

  4. CHECK DTC OUTPUT (EV) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / EV / Trouble Codes.
    4. Check if DTCs are output.

      Result

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

    B → See step   12 

    A: Go to next step 

  5. CHECK FOR INTERMITTENT PROBLEMS 
    1. Check for intermittent problems. Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2013 - ] .

    NG → REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

    OK → See step   12 

  6. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) See step   1 

    NG → CONNECT SECURELY 

    OK: Go to next step 

  7. CHECK CONNECTOR CONNECTION CONDITION (CENTER AIRBAG SENSOR ASSEMBLY CONNECTOR) 
    1. Check the connector connections and contact pressure of the relevant terminals for the center airbag sensor assembly connectors.
      GTY307041Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Component with harness connected
      (Center Airbag Sensor Assembly)

      OK

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

    NG → CONNECT SECURELY 

    OK: Go to next step 

  8. CHECK HARNESS AND CONNECTOR (+B SHORT) 
    1. Remove the PM-IGCT fuse from the No. 1 motor compartment room relay block and junction block assembly.
      GTY382286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 No. 1 Motor Compartment Room Relay Block and Junction Block Assembly *2 PM-IGCT Fuse
      *3 No. 2 Motor Compartment Room Relay Block Assembly *4 PM-B Fuse
      *5 No. 7 Relay Block *6 PM-IG2 Fuse
    2. Remove the PM-B fuse from the No. 2 motor compartment room relay block assembly.
    3. Remove the PM-IG2 fuse from the No. 7 relay block.
    4. Disconnect connector E45 from the center airbag sensor assembly.
      GTY372854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Center Airbag Sensor Assembly)
    5. Measure the resistance according to the value(s) in the table below.
      GTY366129Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E117-29 (ABFS) - A56-2 (+B2) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A57-5 (+B1) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-1 (AM22) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A57-6 (MREL) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A57-1 (IG2) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-2 (SMRG) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-3 (SMRP) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-14 (SPDI) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A56-4 (FCTL) Power switch off 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component with harness connected
      (Power Management Control ECU)
    6. Connect the center airbag sensor assembly connector.
    7. Install the PM-IGCT fuse, PM-B fuse and PM-IG2 fuse.

    NG → See step   11 

    OK: Go to next step 

  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - CENTER AIRBAG SENSOR ASSEMBLY) 
    1. Disconnect connector E117 from the power management control ECU.
    2. Disconnect connector E45 from the center airbag sensor assembly.
    3. Measure the resistance according to the value(s) in the table below.
      GTY375846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance (Check for Open)

      Tester Connection Switch Condition Specified Condition
      E117-29 (ABFS) - E45-14 (GSW2) Power switch off Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection Switch Condition Specified Condition
      E117-29 (ABFS) or E45-14 (GSW2) - Body ground and other terminals Power switch off 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Power Management Control ECU)
      *b Rear view of wire harness connector
      (to Center Airbag Sensor Assembly)

      HINT: 

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

    4. Connect the center airbag sensor assembly connector.
    5. Connect the power management control ECU connector.

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  10. CHECK POWER MANAGEMENT CONTROL ECU 
    1. Disconnect connector E45 from the center airbag sensor assembly.
      GTY372854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Center Airbag Sensor Assembly)
    2. Turn the power switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      E45-14 (GSW2) - Body ground Power switch on (IG) 11 to 14 V
      NOTE:

      Turning the power switch on (IG) with the center 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. Connect the center airbag sensor assembly connector.

    NG → See step   12 

    OK → See step   13 

  11. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES) 
    1. Remove the PM-IGCT fuse from the No. 1 motor compartment room relay block and junction block assembly.
      GTY382286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 No. 1 Motor Compartment Room Relay Block and Junction Block Assembly *2 PM-IGCT Fuse
      *3 No. 2 Motor Compartment Room Relay Block Assembly *4 PM-B Fuse
      *5 No. 7 Relay Block *6 PM-IG2 Fuse
    2. Remove the PM-B fuse from the No. 2 motor compartment room relay block assembly.
    3. Remove the PM-IG2 fuse from the No. 7 relay block.
    4. Disconnect connector E45 from the center airbag sensor assembly.
      GTY372854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Center Airbag Sensor Assembly)
    5. Disconnect connectors A56, A57 and E117 from the power management control ECU.
    6. Measure the resistance according to the value(s) in the table below.
      GTY375300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      E117-29 (ABFS) - A56-2 (+B2) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A57-5 (+B1) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-1 (AM22) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A57-6 (MREL) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A57-1 (IG2) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-2 (SMRG) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-3 (SMRP) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - E117-14 (SPDI) Power switch off 10 kΩ or higher
      E117-29 (ABFS) - A56-4 (FCTL) Power switch off 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector
      (to Power Management Control ECU)
    7. Connect the power management control ECU connectors.
    8. Connect the center airbag sensor assembly connector.
    9. Install the PM-IGCT fuse, PM-B fuse and PM-IG2 fuse.

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   12 

  12. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  REMOVAL [09/2013 - ] 
  13. REPLACE CENTER AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [09/2013 - ] 
  14. GO TO DTC CHART (AIRBAG SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2013 - ] 
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