Driver Side Rear Airbag Sensor Malfunction - Airbag System

SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: B1630/23: Driver Side Rear Airbag Sensor Malfunction

DTC B1630/23 - Driver Side Rear Airbag Sensor Malfunction

DESCRIPTION

The rear airbag sensor LH circuit consists of the center airbag sensor assembly, rear airbag sensor LH, and side airbag sensor LH.
The side airbag sensor LH and rear airbag sensor LH detect impacts to the vehicle and send signals to the center airbag sensor assembly to determine if the airbag should be deployed.
DTC B1630/23 is recorded when a malfunction is detected in the rear airbag sensor LH.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK REAR AIRBAG SENSOR LH




(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Interchange the rear airbag sensor LH with RH and connect the connectors to them.
(d) Connect the negative (-) terminal cable to the battery.
(e) Turn the ignition switch on (IG), and wait for at least 60 seconds.
(f) Clear the DTCs stored in the memory DTC Check / Clear.
(g) Turn the ignition switch off.
(h) Turn the ignition switch on (IG), and wait for at least 60 seconds.
(i) Check for DTCs DTC Check / Clear.
Result:





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

C -- REPLACE REAR AIRBAG SENSOR LH
B -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY
A -- USE SIMULATION METHOD TO CHECK