DTC B1630/23: Driver Side Rear Airbag Sensor Malfunction: Procedure

1. Turn the ignition switch on (IG), and wait for at least 60 seconds.
   Fig 1: Identifying DTC & Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Clear the DTCs stored in the memory. Refer to DTC CHECK / CLEAR .
3. Turn the ignition switch off.
4. Turn the ignition switch on (IG), and wait for at least 60 seconds.
5. Check the DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B1630/23 is not output.

   HINT: 

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

OK → See step   4 

NG: Go to next step 

1. Turn the ignition switch off.
   Fig 2: Identifying Rear Airbag Sensor LH Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the negative (-) terminal cable from the 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 battery, and wait for at least 2 seconds.
5. Turn the ignition switch on (IG), and wait for at least 60 seconds.
6. Clear the DTCs stored in the memory. Refer to DTC CHECK / CLEAR .
7. Turn the ignition switch on (IG), and wait for at least 60 seconds.
8. Check the DTCs. Refer to DTC CHECK / CLEAR .

   Result

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

   HINT: 

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

A → See step   3 

B → See step   6 

C → See step   4 

1. Turn the ignition switch off.
   Fig 3: Identifying DTC & Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
3. Return the rear airbag sensor RH and LH to their original positions 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 on (IG), and wait for at least 60 seconds.
6. Clear the DTCs stored in the memory. Refer to DTC CHECK / CLEAR .
7. Turn the ignition switch off.
8. Turn the ignition switch on (IG), and wait for at least 60 seconds.
9. Check the DTCs. Refer to DTC CHECK / CLEAR .

   OK

   DTC B1630/23 is not output.

   HINT: 

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

NG → See step   5 

OK → See step   4