Operation CHARM
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Pontiac
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1989
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Grand Prix V6-173 2.8L
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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
Troubleshooting Hints
Symptom Related Diagnostic Procedures
Component Tests and General Diagnostics
Test A: Solenoid Test
Table 1
Table 2
Test B: Heater and A/C Control Assembly Solenoid Control Test
Test C: Air Temperature Valve Motor Test
Table 1
Table 2
Locations
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
Vacuum and Vapor Hose Diagrams
Technical Service Bulletins
