Operation CHARM
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Saab
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1991
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9000 L4-2290cc 2.3L DOHC
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Relays and Modules - Computers and Control Systems
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Engine Control Module
Engine Control Module
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Service Precautions
Application and ID
Description and Operation
LH Control Module
DI/APC Control Module
Control Module
Control Module Inputs
Control Module Outputs
Power Supply
Ground
Testing and Inspection
Component Tests and General Diagnostics
Pinout Values and Diagnostic Parameters
Ohms Measurements
Voltage Measurements
Programming and Relearning
LH Control Module
DI/APC Control Module
Locations
DI/APC System Control Unit
LH System Electronic Control Unit
Service and Repair
DI/APC Control Module
LH Control Module
Diagrams
Diagram Information and Instructions
A-1 Diagram Key
A-2 Symbol Identification
A-3 Wire Color Code Identification
Abbreviations
Component List
Diagnostic Aids
Connector Views
Electrical Diagrams
Specifications
Technical Service Bulletins
