Check Horn Function

First perform the "SELF-DIAG RESULTS" in "BCM" with CONSULT-III, then perform the trouble diagnosis of malfunction system indicated "SELF-DIAG RESULTS" of "BCM". Refer to "CAN COMMUNICATION INSPECTION USING CONSULT-III (SELF-DIAGNOSIS) ".

1. CHECK HORN FUNCTION 

   Does horn sound with horn switch?

   YES or NO 

   YES: Horn circuit is OK.

   NO: Check horn circuit. Refer to "HORN ".