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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Rear Blower Rear Control Switch INOP In One or More Speeds - MTC

Test 1 - 2:




Test 3:






SYMPTOM
REAR BLOWER REAR CONTROL SWITCH INOP IN ONE OR MORE SPEEDS - MTC

POSSIBLE CAUSES
- Rear blower motor driver circuit(s) open
- Rear blower rear control switch
- Rear blower motor front control feed circuit open
- A/C - heater control module