Operation CHARM
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Mercedes Benz
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1982
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300SD (126.120) L5-3.0L DSL Turbo (617.951)
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Component Tests and General Diagnostics
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Automatic Air Conditioning (Auto A/C)
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Manual and Visual Function Test of Automatic Climate Control
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Test 12
Test 12
Test 12
:
Selector dial
Function button
Blower
22 °C
"e"
"g"
-
Monovalve
closed (+ and - connected).
-
Recirculating pump
not running.
-
Compressor not switched on.
-
Main
air flap
closed.
-
Blower
not running.
Air distribution