Operation CHARM
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Mercedes Benz
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1993
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300SD (140.134) L6-3.5L DSL Turbo (603.971)
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Repair and Diagnosis
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Heating and Air Conditioning
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Control Assembly
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Testing and Inspection
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Reading Sensor Values (via Pushbutton Control Module N22)
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Display Codes
Display Codes
Reading Sensor Values 1 - 16:
Display will read only two digits (example temperature of 104°F will read 04 oF).
NOTE
: Prior to performing a TEST, review the COMPONENT LOCATIONS and PREPARATION FOR TEST sections.