Check Horn Function

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

1. Check horn function 

   Does horn sound with horn switch?

   YES or NO 

   1. YES: Horn circuit is OK.
   2. NO: Check horn circuit. Refer to HORN .