From 08/2009

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1630/23: Rear Airbag Sensor RH Circuit Malfunction
B1630/23 - Rear Airbag Sensor RH Circuit Malfunction

DESCRIPTION

The side collision sensor RH circuit (to determine deployment of the front seat side airbag assembly RH, rear seat side airbag assembly RH and curtain shield airbag assembly RH) is composed of the center airbag sensor assembly, side airbag sensor RH (for rear side), rear airbag sensor RH and side airbag sensor RH (for front side).

The rear airbag sensor RH 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 RH.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK REAR AIRBAG SENSOR RH

(a) Turn the engine switch off.





(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

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

(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 DTC Check / Clear.

(g) Turn the engine switch off.

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

(i) Check for DTCs DTC Check / Clear.

Result:





Text in Illustration





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 CENTER AIRBAG SENSOR ASSEMBLY Removal

B -- REPLACE REAR AIRBAG SENSOR RH

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting