B1615

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1615/14: Front Airbag Sensor LH Malfunction
B1615/14 - Front Airbag Sensor LH Malfunction

DESCRIPTION

The front airbag sensor LH circuit consists of the airbag ECU assembly and front airbag sensor LH.

The front airbag sensor LH detects impacts to the vehicle and sends signals to the airbag ECU assembly to determine if the airbag should be deployed.

DTC B1615/14 is stored when a malfunction is detected in the front airbag sensor LH.





WIRING DIAGRAM

Refer to DTCs B1617/84 and B1618/84 B1617.

INSPECTION PROCEDURE

NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work Service Precautions.

PROCEDURE

1. CHECK FRONT AIRBAG SENSOR LH

(a) Turn the power switch off.





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

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

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

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

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

(f) Turn the power switch off.

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

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

Result:





HINT
Codes other than DTCs B1610/13 and B1615/14 may be output at this time, but they are not related to this check.

(i) Turn the power switch off.

(j) Disconnect the cable from the negative (-) auxiliary battery terminal.

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

(k) Return the front airbag sensor LH and RH to their original positions and connect the connectors.

Text in Illustration





B -- REPLACE AIRBAG ECU ASSEMBLY Removal

C -- REPLACE FRONT AIRBAG SENSOR LH Removal

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