AIRBAG SYSTEM, Diagnostic DTC:B1675/82

DTC Code DTC Name
B1675/82 Rear Floor Airbag Sensor Malfunction

DESCRIPTION

The rear floor side airbag sensor consists of the diagnostic circuit, rear floor deceleration sensor, etc.

If the center airbag sensor receives signals from the rear floor deceleration sensor, it determines whether the SRS should be activated.

DTC B1675/82 is stored when a malfunction is detected in the rear floor side airbag sensor circuit.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Test Mode / Check Mode

B1675/82

Rear Floor Airbag Sensor Malfunction

Either condition is met:

  • A rear floor side airbag sensor malfunction.

  • A center airbag sensor malfunction.

  • Rear floor side airbag sensor

  • Center airbag sensor assembly

*1

WIRING DIAGRAM

C216829E07

CAUTION / NOTICE / HINT

Note:
  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice 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 REAR FLOOR SIDE AIRBAG SENSOR

    1. C171812C11

      *1

      Rear Floor Side Airbag Sensor

      *2

      Center Airbag Sensor

      Turn the engine switch off.

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

    3. Temporarily replace the rear floor side airbag sensor with a new one.

    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

      OK

      DTC B1675 is not output.

      Tip:

      Codes other than DTC B1675 may be output at this time, but they are not related to this check.

      Result

      Result

      OK

      NG

    OK

    REPLACE REAR FLOOR SIDE AIRBAG SENSOR

    NG

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY