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

Recirculation Control Motor

Recirculation Control Motor Testing:






1. Connect battery positive to Y/BI terminal and negative to G/Bu terminal. Motor should run.
2. Connect ohmmeter probes across G/Y and G/R terminals. Meter should cycle back and forth, but hesitate slightly when indicating continuity.
3. Connect ohmmeter to terminals G/Y and G/W. Meter should cycle back and forth, but hesitate slightly when indicating continuity.