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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) ".

CHECK HORN FUNCTION
Does horn sound with horn switch?

YES or NO

YES: Horn circuit is OK.

NO: Check horn circuit. Refer to HORN .