Operation CHARM
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Acura
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1989
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Legend Sedan V6-2675cc 2.7L SOHC FI
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Radiator Cooling Fan
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Radiator Cooling Fan Motor
Radiator Cooling Fan Motor
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Description and Operation
Air Conditioner Control System
Climate Control
Coupe
Sedan
Cooling Fan Control
Manual A/C
Coupe
Sedan
Testing and Inspection
Symptom Related Diagnostic Procedures
Diagnosis By Symptom - Automatic Climate Control - Coupe
Diagnosis By Symptom - Cooling Fan Control - Coupe
Diagnosis By Symptom - Coupe
Diagnosis By Symptom - Manual Heating and Air Conditioning - Coupe
Diagnosis By Symptom - Sedan
Diagnostic Flowcharts - Manual Heating and Air Conditioning - Coupe
Flow Chart "A" - A/C System
Flow Chart "B" - Cooling Fans
Flow Chart "D" - Radiator Fan Low Speed Inoperative
Flow Chart "E" - Condenser Fan Should Run at Low Speed
Flow Chart "F" - Radiator Fan Temperature Sensor
Component Tests and General Diagnostics
Self-Diagnosis Indicators - Automatic Climate Control - Coupe
Component Test - Cooling Fan Control - Coupe
Fan Motor Test
Power Circuits to Climate Control Unit - Automatic Climate Control - Coupe
Locations
Coupe
Sedan
Radiator and Condenser Fan Controls
Service and Repair
Diagrams
Diagram Information and Instructions
Key to Electrical Diagrams
Circuit Schematics
Fuse Details Schematics
Ground Distribution Schematics
Power Distribution Schematics
Symbol Identification
Wires/Wire Color Code Identification
Diagnostic Aids
Continuity and Resistance Check
Damage Precautions
Electrical Precautions
Electronic Component Handling
Electronic Component Replacement
Battery Precautions
Electrical Connections and Circuits
Electrostatic Discharge
Proper Tools and Testing Procedures
Finding Short Circuits
Five Step Troubleshooting
Troubleshooting Precautions
Troubleshooting Tests
Testing For A Short With A Self-Powered Test Light or DVOM
Testing For a Short With a Short Circuit Locator (Short Finder)
Testing For Voltage Drop/Short to Ground With Test Light/DVOM
Testing For Voltage/Continuity
Voltage Check
Wire Repair Procedures
Circuit Protection Devices
Typical Electrical Repair
Splicing Copper Wire Using Splice Clips
Splicing Copper Wire Using Crimp and Seal Splice Sleeves
Splicing Twisted/Shielded Cable
Repairing Connectors
Terminal Repair
Electrical Diagrams
Coupe
Sedan