B16F8

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1675, B16F8; Rear Floor Airbag Sensor; 2013 MY FR-S [03/2012 -]
B1675 - Rear Floor Airbag Sensor
B16F8 - Rear Floor Airbag Sensor RH Mismatch

DESCRIPTION

The No. 2 airbag sensor assembly circuit is composed of the airbag ECU assembly and No. 2 airbag sensor assembly.

The No. 2 airbag sensor assembly detects impacts to the vehicle and sends signals to the airbag ECU assembly to determine if the airbag should be deployed.

These DTCs are stored when a malfunction is detected in the No. 2 airbag sensor assembly circuit.





WIRING DIAGRAM

Refer to DTCs B1678 and B1679 B1678.

INSPECTION PROCEDURE

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

PROCEDURE

1. CHECK NO. 2 AIRBAG SENSOR ASSEMBLY

(a) Turn the ignition 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) Replace the No. 2 airbag sensor assembly with a new one.

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

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

(f) Turn the ignition switch off.

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

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

Result:





HINT
Codes other than DTC B1675, B16F8 may be output at this time, but they are not related to this check.

B -- REPLACE AIRBAG ECU ASSEMBLY Removal

A -- END (NO. 2 AIRBAG SENSOR ASSEMBLY WAS DEFECTIVE)