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)

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Control Module HVAC: Service and Repair

FAN CONTROL UNIT REPLACEMENT
1. Remove the right door sill molding
2. Remove the small cover on the right kick panel.
3. Pull the carpet back to expose the *Engine Control Module (ECM) or Powertrain Control Module (PCM).





4. Remove the four nuts and *ECM or PCM bracket, then disconnect the fan control unit connector.





5. Remove the fan control unit from *ECM or PCM bracket.
6. Install the fan control unit in the reverse order of removal.

*ECM for M/T
PCM for A/T