Operation CHARM
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BMW
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1988
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L6 (E24) L6-3430cc 3.4L SOHC (M30)
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Repair and Diagnosis
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Heating and Air Conditioning
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Control Module HVAC
Control Module HVAC
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Locations
Evaporator Control Module
Heater Control Module
Service and Repair
Replacing Heater Control Module
Replacing Evaporator Control Module
Diagrams
Diagram Information and Instructions
Wire Color Code Identification
Component ID (General List)
Part 1 A
Part 2 B
Part 3 C-G
Part 4 H-M
Part 5 N-Z
Symbol Identification and Diagram Information
Diagnostic Aids
Troubleshooting Procedures
Troubleshooting Tools
Troubleshooting Tests
Voltage Test
Voltage Drop Test
Continuity Test
Short Test Using Voltmeter
Short Test Using Ohmmeter
Current Test Using Ammeter
Electrical Diagrams
Technical Service Bulletins
