Airbag Warning Light Remains Off: Wiring Diagram

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Airbag Warning Light Remains OFF - Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE CHART

Step	Check	Yes	No
1 CHECK COMBINATION METER. Turn the ignition switch to ON, and confirm that warning lights of combination meter illuminate.	Do warning lights except for air-bag illuminate?	Go to step 2 .	Check the combination meter.
2 CHECK DTC. Read the DTC. < Ref. to OPERATION , Read Diagnostic Trouble Code (DTC). >	Is DTC displayed?	Perform the diagnosis according to DTC.	Go to step 3 .
3 CHECK FUSE. Remove fuse No. 5 from the fuse & relay box, and perform visual inspection.	Is the fuse OK?	Go to step 4 .	Replace the fuse. If the fuse is blown out again, go to step 4 .
4 CHECK AIRBAG WARNING LIGHT CIRCUIT (IN COMBINATION METER). Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more. Disconnect the connectors (AB1) and (B31). Connect the battery ground terminal and turn the ignition switch to ON.	Does airbag warning light illuminate?	Go to step 5 .	Check the combination meter.
5 CHECK AIRBAG MAIN HARNESS. Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more. Connect the connector (AB1) and (B31). Disconnect the connectors (AB6, AB17, AB18) from airbag control module. Connect the battery ground terminal and turn the ignition switch to ON.	Does airbag warning light illuminate?	Replace the airbag control module. < Ref. to AIRBAG CONTROL MODULE . >	Replace the airbag main harness along with bulkhead harness.