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

Test 13

TEST 13:

Temperature Switch - Cold Engine Lock (2):




Test Conditions:
Selector Dial: MAX
Function Button: "c"
Blower: "AUTOM"
Pull coupler from cold engine lock (2).

Test Results/Observations:
- Main air flaps closed. (20% fresh air, 80% recirculating air).
- Blower not running.

NOTE: Do not let plug on coupler of cold engine lock contact the engine.