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Home >> Toyota >> 2013 >> Prius Plug-in >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (Diagnostic Codes (B1000/31 - B1905/74) & Symptom Tests)) (Plug-In) >> Airbag System >> DTC B1615/14: Front Airbag Sensor LH Malfunction >> Procedure

DTC B1615/14: Front Airbag Sensor LH Malfunction: Procedure

  1. CHECK FRONT AIRBAG SENSOR LH 
    1. Turn the power switch off.
      Fig 1: Identifying Front Airbag Sensor Connector
      GTY320490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the cable from the negative (-) auxiliary battery terminal.
      WARNING:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

    3. Interchange the front airbag sensor LH with RH and connect the connectors.
    4. Connect the cable to the negative (-) auxiliary battery terminal.
    5. Clear the DTCs stored in memory. Refer to DTC CHECK / CLEAR .
    6. Turn the power switch off.
    7. Turn the power switch on (IG), and wait for at least 60 seconds.
    8. Check for DTCs. Refer to DTC CHECK / CLEAR .

      Result

      Result Proceed to
      DTCs B1610/13 and B1615/14 are not output. A
      DTC B1615/14 is output. B
      DTC B1610/13 is output. C

      HINT: 

      Codes other than DTCs B1610/13 and B1615/14 may be output at this time, but they are not related to this check.

    9. Turn the power switch off.
    10. Disconnect the cable from the negative (-) auxiliary battery terminal.
      WARNING:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

    11. Return the front airbag sensor LH and RH to their original positions and connect the connectors.
      TEXT IN ILLUSTRATION

      *1 Front Airbag Sensor RH
      *2 Airbag ECU Assembly

    B → See step   3 

    C → See step   2 

    A → See step   4 

  2. REPLACE FRONT AIRBAG SENSOR LH. Refer to  REMOVAL 
  3. REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL 
  4. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING