B1630

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

DESCRIPTION

The driver side - side collision sensor circuit (to determine deployment of the front seat side airbag assembly LH and curtain shield airbag assembly LH) is composed of the center airbag sensor assembly, side airbag sensor LH, and rear 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 engine switch off.





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

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

(d) Connect the cable to the negative (-) battery terminal.

(e) Turn the engine switch on (IG), and wait for at least 60 seconds.

(f) Clear the DTCs stored in the memory Reading and Clearing Diagnostic Trouble Codes.

(g) Turn the engine switch off.

(h) Turn the engine switch on (IG), and wait for at least 60 seconds.

(i) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

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 Removal

B -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

A -- USE SIMULATION METHOD TO CHECK Diagnosis System