Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Horn Function Check

Step 1-2:




Step 3:




Horn Function Check
First perform the "SELF-DIAG RESULTS" of BCM with CONSULT-II, then perform the trouble diagnosis of malfunction system indicated in "SELF-DIAG RESULTS" of "BCM". Refer to BCS-18, "CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)". CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)