Check Horn

Check the horn sounds when the horn switch is pushed.

Does the horn sound?

Yes: Go to  2 .

No: Check the horn circuit.

Select and perform the [Horn Output] using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>ACTIVE TEST .

Does the horn sound?

Yes: Horn circuit is OK.

No: Go to  3 .

1. Turn the ignition switch to OFF.
2. Disconnect the connector of body integrated unit.
3. Remove the horn relay.
4. Check the harness between body integrated unit and horn relay.

Connector and terminal 

(B73) No. 9 - Horn relay No. 4:

Is harness normal?

Yes: Check body integrated unit. Ref. to BODY CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

No: Repair or replace the harness.