Check Horn

Step	Check	Yes	No
1 CHECK HORN OPERATION. Check the horn sounds when the horn switch is pushed.	Does the horn sound?	Go to step 2.	Check the horn circuit.
2 CHECK OUTPUT TO HORN RELAY. Connect the Subaru Select Monitor Kit. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor". On << System Selection Menu >> display, select {Integ. unit mode}. Select {Function check}. Select {Horn Output} and execute.	Does the horn sound?	Horn circuit is OK.	Go to step 3 .
3 CHECK HORN RELAY CIRCUIT. Turn the ignition switch to OFF. Disconnect the body integrated unit connector. Remove the horn relay. Measure the resistance between body integrated unit connector and horn relay. Connector & terminal (B280) No. 24 - Horn relay No. 4:	Is the resistance less than 10 Ω?	Check body integrated unit. Refer to BASIC DIAGNOSTIC PROCEDURE .	Repair or replace the harness.