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

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Control Module HVAC: Testing and Inspection

Blower Motor Speed (Part 1 Of 2):




Blower Motor Speed (Part 2 Of 2):




Self-diagnosis indicator light F comes on: A problem in the blower motor circuit. The speed of the blower motor is controlled by signals sent from the climate control unit.

NOTE: If the blower motor does not run at all refer to Blower Motor troubleshooting