Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Communication system / Horn system / Inspection

Symptoms	Inspection steps
Horn does not sound	1. Check the fuse.
	2. Check the horn relay.
	3. Check the roll connector.
	4. Check the horn switch.
	5. Check the horn assembly.
	6. Check the harness.

Wiring diagram

Refer to “Horn System” in the wiring diagram. Horn System > WIRING DIAGRAM ...

Note

For procedure of each component in the horn system, refer to the respective section.• Horn assembly: Horn• Horn switch: Horn Switch ...

Other materials:

Dtc b1574 key communication
1. EXCEPT FOR C0 AND C5 MODELSDIAGNOSIS START CONDITION:• Battery voltage is 10 V or more.• The remote engine starter was not used to start the engine.DTC DETECTING CONDITION:Communication failure between ignition key and body integrated unitTROUBLE SYMPTOM:• Engine will not start. ...