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

Blower Motor Does Not Operate


1. Blown circuit breaker or fuse.
2. Defective blower motor.
3. Defective blower relay.
4. Defective blower or A/C cut-off relay.
5. Defective blower switch.
6. Defective A/C auto relay.
7. Defective water temperature switch.
8. Defective blower resistor.
9. Defective wiring connection.
10. Defective power transistor.
11. Defective ambient temperature sensor.
12. Defective A/C control assembly.
13. Defective air flow mode control servo.