Operation CHARM
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Oldsmobile
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1992
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Cutlass Supreme FWD V6-189 3.1L
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Repair and Diagnosis
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Heating and Air Conditioning
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Air Door
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Air Door Actuator / Motor
Air Door Actuator / Motor
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Description and Operation
Temperature Motor Actuator
With A/C
Manual A/C
Electronic A/C
Testing and Inspection
Initial Inspection and Diagnostic Overview
System Check
With Manual A/C
With Electronic A/C
System Diagnosis
With Manual A/C
With Electronic A/C
Troubleshooting Hints
With Manual A/C
With Electronic A/C
Component Tests and General Diagnostics
With Electronic A/C
Test A - In-Vehicle Temperature Sensor Test
Test B - Outside Temperature Sensor Test
Test C - Air Temperature Valve Motor Test
Table 1
Table 2
Test D - Serial Data Line Test
Table 1
Table 2
Test E - Heater and A/C Control Assembly Voltage Test
Test F - Solenoid Box Test
Table 1
Table 2
With Manual A/C
Test A - Solenoid
Table 1 of 2
Table 2 of 2
Test B - Heater & A/C Control Assembly Solenoid Control
Test C - Air Temperature Valve Motor
Locations
Heater/Defrost BI-Directional Vacuum Actuator
Recirculating Vent Valve Vacuum Actuator
Vent Valve Vacuum Actuator
A/C Valve Vacuum Actuator
Air Temperature Valve Motor
BI-Level Valve Vacuum Actuator
Service and Repair
Diagrams
Diagram Information and Instructions
Cell References
Schematic Symbols
Wire Color Code Identification
Diagnostic Aids
Connector, Splicing and Terminal Repair
Pull-to-Seat Connectors
Push-to-Seat Connectors
General Troubleshooting Procedures
Basic Troubleshooting Guide
Checking Terminal Contacts
Intermittents and Poor Connections
Troubleshooting Tests
Troubleshooting Tools
Handling and Measuring Procedures
Wire Repair Procedures
Circuit Protection Devices
Typical Electrical Repair
Splicing Copper Wire Using Crimp and Seal Splice Sleeves
Splicing Copper Wire Using Splice Clips
Splicing Twisted/Shielded Cable
Connector Views
Electrical Diagrams
Less Automatic Controls
With Automatic Controls
Vacuum and Vapor Hose Diagrams
With Manual A/C
With Electronic A/C
Description and Operation
Testing and Inspection
Locations
Service and Repair
DiagramsDescription and OperationTesting and InspectionLocationsService and RepairDiagrams