Click here

AIRBAG SYSTEM, Diagnostic DTC:B1630/23, B1635/24

Click here
Click here Click here
DTC Code DTC Name
B1630/23 Rear Airbag Sensor RH Circuit Malfunction
B1635/24 Rear Airbag Sensor LH Circuit Malfunction
Click here

DESCRIPTION

The rear airbag sensor LH or RH consists of the safing sensor, the diagnostic circuit, the lateral deceleration sensor, etc.

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

DTC B1630/23 or B1635/24 is recorded when a malfunction is detected in the rear airbag sensor LH or RH circuit.

DTC Code Detection Condition Trouble Area
B1630/23

Either condition is met:


  • Rear airbag sensor RH malfunction

  • Center airbag sensor assembly malfunction

  • Rear airbag sensor RH

  • Center airbag sensor assembly
B1635/24

Either condition is met:


  • Rear airbag sensor LH malfunction

  • Center airbag sensor assembly malfunction

  • Rear airbag sensor LH

  • Center airbag sensor assembly
A01H0H0E65
Click here

WIRING DIAGRAM

Click here

INSPECTION PROCEDURE

Note:

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

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

Click here

PROCEDURE


  1. Click here

    CHECK FOR DTC


    1. Turn the power switch OFF.

    2. Clear the DTCs stored in the memory (see pageClick here).

    3. Turn the power switch OFF.

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

    5. Check for DTCs (see pageClick here).

      Table 1. Result
      Result Proceed to
      DTC B1630/23 and B1635/24 are not output A
      DTC B1635/24 is output B
      DTC B1630/23 is output C
      Tip:

      Codes other than DTC B1630/23 and B1635/24 may be output at this time, but they are not released to this check.


  2. Click here

    CHECK REAR AIRBAG SENSOR RH


    1. Turn the power switch OFF.

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

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

    6. Clear the DTCs stored in the memory (see pageClick here).

    7. Turn the power switch OFF.

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

    9. Check for DTCs (see pageClick here).

      Table 2. Result
      Result Proceed to
      DTC B1630/23 and B1635/24 are not output A
      DTC B1635/24 is output B
      DTC B1630/23 is output C
      Tip:

      Codes other than DTC B1630/23 and B1635/24 may be output at this time, but they are not released to this check.

    10. Turn the power switch OFF.

    11. Disconnect the negative (-) terminal cable from the auxiliary battery, 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.


  3. Click here

    CHECK REAR AIRBAG SENSOR LH


    1. Turn the power switch OFF.

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

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

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

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

    6. Clear the DTCs stored in the memory (see pageClick here).

    7. Turn the power switch OFF.

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

    9. Check for DTCs (see pageClick here).

      Table 3. Result
      Result Proceed to
      DTC B1630/23 and B1635/24 are not output A
      DTC B1635/24 is output B
      DTC B1630/23 is output C
      Tip:

      Codes other than DTC B1630/23 and B1635/24 may be output at this time, but they are not released to this check.

    10. Turn the power switch OFF.

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

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


  4. Click here

    USE SIMULATION METHOD TO CHECKClick here

  5. Click here

    REPLACE REAR AIRBAG SENSOR RHClick here

  6. Click here

    USE SIMULATION METHOD TO CHECKClick here

  7. Click here

    REPLACE CENTER AIRBAG SENSOR ASSEMBLYClick here

  8. Click here

    USE SIMULATION METHOD TO CHECKClick here

  9. Click here

    REPLACE CENTER AIRBAG SENSOR ASSEMBLYClick here

  10. Click here

    REPLACE REAR AIRBAG SENSOR LHClick here