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Home >> Pontiac >> 2001 >> Sunfire L4-2.2L VIN 4 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Powertrain Control Module (PCM) >> Engine Control Systems Information
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Engine Control Systems Information

The engine controls information describes the function and operation of the control module. The emphasis is on the diagnosis and repair of the problems that are related to the system.
^ The component locations
^ The wiring diagrams
^ The control module terminal end view and terminal definitions
^ The Diagnostic System Check-Computers and Control Systems
^ The Diagnostic Trouble Code (DTC) tables

The component system includes the following items:
^ The component and circuit description
^ The on-vehicle service for each sub-system
^ The functional checks with the diagnostic tables
^ How to use electrical systems diagnostic information

The DTCs also contain the diagnostic support information containing the circuit diagrams, the circuit or the system information, and helpful diagnostic information.