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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Blower Motor Inoperative (AZC)

Test 1 - 3:




Test 4 - 7:




Test 8 - 10:




Test 11:






SYMPTOM
BLOWER MOTOR INOPERATIVE (AZC)

POSSIBLE CAUSES
- PDC fuse #1
- Blower motor supply circuit shorted to ground
- Blower motor shorted to ground
- Blower motor controller shorted to ground
- Check for power to the blower motor controller
- Ground circuit open
- Blower motor control circuit shorted to voltage
- Blower motor control circuit open
- Blower motor controller open
- Automatic zone control module open
- Blower motor open
- Blower motor controller open