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

Diagnosis By Symptom - Blower Motor Speed Control

G - Blower Motor Speed Control / Troubleshooting

Self-diagnosis indicator light G comes ON: A problem in the blower motor circuit.

Part 1 Of 2:




Part 2 Of 2:





The speed of the blower motor is controlled by signals sent from the climate control unit.