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Home >> Toyota >> 2012 >> Prius V >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System [Diagnostic Codes (P0AA4-232 - U0424-537) & Circuit Tests] >> Hybrid Control System >> DTC P3107-215: Lost Communication with Airbag System Control Module >> Procedure

DTC P3107-215: Lost Communication with Airbag System Control Module: 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   13 

    A: Go to next step 

  2. CLEAR DTC. Refer to  PROCEDURE - Step 4 

    NEXT: Go to next step 

  3. 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 if DTCs are output.

      Result

      Result Proceed to
      DTC P3107-215 is not output. A
      DTC P3107-215 is output again. B
    5. Turn the power switch off.

    B → See step   5 

    A: Go to next step 

  4. CHECK FOR INTERMITTENT PROBLEMS 

    Refer to CHECK FOR INTERMITTENT PROBLEMS

    NG → REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

    OK → See step   11 

  5. CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM). See step   2 

    B → See step   6 

    A → See step   12 

  6. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR). Refer to  PROCEDURE - Step 3 

    NG → CONNECT SECURELY 

    OK: Go to next step 

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

    NG → CONNECT SECURELY 

    OK: Go to next step 

  8. CHECK HARNESS AND CONNECTOR (+B SHORT). See step   8 

    NG → See step   10 

    OK: Go to next step 

  9. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG ECU ASSEMBLY). See step   9 

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   11 

  10. CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES). See step   11 

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   12 

  11. REPLACE AIRBAG ECU ASSEMBLY. Refer to  COMPONENTS 
  12. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  COMPONENTS 
  13. GO TO DTC CHART (AIRBAG SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART