Operation CHARM
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Oldsmobile
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1989
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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
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
Table 1 of 3
Table 2 of 3
Table 3 of 3
Test B - Outside Temperature Sensor Test
Table 1 of 3
Table 2 of 3
Table 3 of 3
Test C - Air Temperature Door Motor Test
Table 1 of 3
Table 2 of 3
Table 3 of 3
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
Table 1 of 2
Table 2 of 2
Locations
Service and Repair
Diagrams
Diagram Information and Instructions
Cell References
Schematic Symbols
Symbol Identification
Wire Color Code Identification
Diagnostic Aids
Pull-to-Seat Connectors
Push-to-Seat Connectors
Electrical Diagrams
Less Automatic Controls
With Automatic Controls
Part 1 of 2
Part 2 of 2
Vacuum and Vapor Hose Diagrams
With Manual A/C
With Electronic A/C
Technical Service Bulletins