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

Air Conditioning Switch: Testing and Inspection

Service Tips:





A/C SELECTOR SWITCH (AT ONLY)
- If the circuit is open, the PCM will not receive the A/C demand input signal.
- If the circuit is shorted, the Number 13 fuse (10A) will burn when the A/C selector switch is turned ON.