AIRBAG SYSTEM, Diagnostic DTC:B1641/19

DTC Code DTC Name
B1641/19 Driver Side Rear Sensor Circuit Malfunction

DESCRIPTION

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

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

DTC B1641/19 is recorded when a malfunction is detected in the driver side rear airbag sensor circuit.

DTC No. DTC Detection Condition Trouble Area
B1641/19

When one of following conditions is met:


  • Driver side rear airbag sensor malfunction

  • Center airbag sensor assembly malfunction

  • Driver side rear airbag sensor

  • Center airbag sensor assembly

WIRING DIAGRAM

A0119GWE11
A0119GWE17

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DRIVER SIDE REAR AIRBAG SENSOR

    A0117TGE15
    Text in Illustration
    *a Passenger Side Rear Airbag Sensor
    *b Driver Side - Side Airbag Sensor (for Rear Side)

    1. Turn the ignition switch off.

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

    3. Interchange the driver side rear airbag sensor with the passenger side rear airbag sensor and connect the connectors to them.

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

    5. Turn the ignition switch to ON, and wait for at least 60 seconds.

    6. Clear the DTCs stored in the memory Click here.

    7. Turn the ignition switch off.

    8. Turn the ignition switch to ON, and wait for at least 60 seconds.

    9. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1641/19 and B1646/29 are not output. A
      DTC B1646/29 is output. B
      DTC B1641/19 is output. C

      Tech Tips

      DTCs other than B1641/19 and B1646/29 may be output at this time, but they are not related to this check.


    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE DRIVER SIDE REAR AIRBAG SENSOR Click here

    C

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here