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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Air Conditioning Switch: Testing and Inspection

A/C Switch, Air Flow Selector (Defroster Switch) and Air Intake Selector Inspection

Check that the voltage between the following terminals and body ground are specifications under each conditions.
If check result does not meet the specified value, replace HVAC control unit.