Operation CHARM
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BMW
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1988
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325 (E30) L6-2693cc 2.7L SOHC (M20)
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Active Check Module
Active Check Module
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Description and Operation
Introduction
Components
Panel Layout
The Numbered Buttons
The Changeover Contact
The Remote-Control Feature
Programming Notes
The HR-DATE Button
The AVG MPH Button
The M MPH Button
The AVG MPG Button
The RANGE Button
The TIMER Button
The TEMP Button
The CODE Button (Antitheft Feature)
The SET-RES Button
Testing and Inspection
Locations
Active Check Control Unit
Active Check Control
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
Part 1 of 3
Part 2 of 3
Part 3 of 3
