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

Combination Switch: Testing and Inspection

MULTI-FUNCTION SWITCH - COMPONENT TEST










1. Measure the resistance between the multifunction switch terminals.

If the resistances are as specified, the multifunction switch is OK. Return the multifunction switch to the vehicle. Test the system for normal operation. If the resistances are not as specified, Replace the multifunction switch. Test the system for normal operation.