Driver Side Rear Airbag Sensor Circuit Malfunction - Airbag System

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

DESCRIPTION

The rear airbag sensor LH consists of parts including the diagnostic circuit and the lateral deceleration sensor.

When the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether or not the SRS should be activated.

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





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK REAR AIRBAG SENSOR LH





(a) Turn the ignition switch off.

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

(c) Interchange the rear airbag sensor LH with the rear airbag sensor RH and connect the connectors to them.

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

(e) Turn the ignition switch to ON, and wait for at least 60 seconds.

(f) Clear the DTCs DTC Check / Clear.

(g) Turn the ignition switch off.

(h) Turn the ignition switch to ON, and wait for at least 60 seconds.

(i) Check the DTCs DTC Check / Clear.

Result





HINT
DTCs 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