AIRBAG SYSTEM, Diagnostic DTC:B1630, B1632

DTC Code DTC Name
B1630 Curtain Shield Airbag Sensor (RH)
B1632 Curtain Shield Airbag Sensor Lost Communication (RH)

DESCRIPTION

The rear airbag sensor LH or RH consists of a lateral deceleration sensor, etc.

If the airbag ECU assembly receives signals from the lateral deceleration sensor, it determines whether the SRS should be activated.

DTC B1630 or B1632 is stored when a malfunction is detected in the rear airbag sensor LH or RH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B1630 Curtain Shield Airbag Sensor (RH)

Either condition is met:


  • A rear airbag sensor RH malfunction.

  • An airbag ECU assembly malfunction.

  • Rear airbag sensor RH

  • Airbag ECU assembly

 Comes on Not applicable
B1632 Curtain Shield Airbag Sensor Lost Communication (RH)

Either condition is met:


  • A rear airbag sensor RH malfunction.

  • An airbag ECU assembly malfunction.

  • Rear airbag sensor RH

  • Airbag ECU assembly

 Comes on Not applicable

WIRING DIAGRAM

B0069WDE12
*a Rear Airbag Sensor RH
*b Door Side Airbag Sensor RH
*c Side Airbag Sensor Assembly RH
*d Airbag ECU Assembly

CAUTION / NOTICE / HINT

Note


  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

  • When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.

    Click here

PROCEDURE


  1. CHECK DTC


    1. Turn the engine switch on (IG), and wait for at least 60 seconds.

    2. Clear the DTCs stored in memory.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

    3. Turn the engine switch off.

    4. Turn the engine switch on (IG), and wait for at least 60 seconds.

    5. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      DTC B1630 or B1632 is output
      DTC B1630 and B1632 are not output

      Tech Tips

      Codes other than DTC B1630 and B1632 may be output at this time, but they are not related to this check.


    DTC B1630 and B1632 are not output

    USE SIMULATION METHOD TO CHECK Click here

    DTC B1630 or B1632 is output

  2. CHECK REAR AIRBAG SENSOR RH


    1. B006BDNC31
      *1 Rear Airbag Sensor LH
      *2 Airbag ECU Assembly

      Turn the engine switch off.

    2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

    3. Interchange the rear airbag sensor RH with LH and connect the connectors to them.

    4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

    5. Turn the engine switch on (IG), and wait for at least 60 seconds.

    6. Clear the DTCs stored in memory.

      Click here


      Body Electrical > SRS Airbag > Clear DTCs

    7. Turn the engine switch off.

    8. Turn the engine switch on (IG), and wait for at least 60 seconds.

    9. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      DTC B1635 or B1637 is output
      DTC B1630 or B1632 is output
      DTC B1630, B1632, B1635 and B1637 are not output

      Tech Tips

      Codes other than DTC B1630, B1632, B1635 and B1637 may be output at this time, but they are not related to this check.

    10. Turn the engine switch off.

    11. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

    12. Return the rear airbag sensor LH and RH to their original positions and connect the connectors to them.


    DTC B1635 or B1637 is output

    REPLACE REAR AIRBAG SENSOR RH Click here

    DTC B1630 or B1632 is output

    REPLACE AIRBAG ECU ASSEMBLY Click here

    DTC B1630, B1632, B1635 and B1637 are not output

    USE SIMULATION METHOD TO CHECK Click here