DTC 15

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1690/15: Driver Side Door Side Airbag Sensor Malfunction
B1690/15 - Driver Side Door Side 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 (for rear side) and side airbag sensor LH (for front side).

The side airbag sensor LH (for front side) detect impacts to the vehicle and send signals to the center airbag sensor assembly to determine if the airbag should be deployed.

DTC B1690/15 is stored when a malfunction is detected in the side airbag sensor LH (for front side).





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK SIDE AIRBAG SENSOR LH (FOR FRONT SIDE)

(a) Turn the engine switch off.





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

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

(c) Interchange the side airbag sensor RH (for front side) with LH (for front side) 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 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:





Text in Illustration





HINT
Codes other than DTCs B1690/15 and B1695/16 may be output at this time, but they are not related to this check.

C -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

B -- REPLACE SIDE AIRBAG SENSOR LH (FOR FRONT SIDE) Removal

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