Diesel Data: Automotive Repair

Engine Control Information

The driveability and emissions information describes the function and operation of the powertrain control module (PCM). The engine controls information contains the following:
^ Component locations
^ Wiring diagrams
^ PCM terminal end view and terminal definitions
^ Powertrain On-Board Diagnostic (OBD) System Check
^ Diagnostic trouble code (DTC) tables

The component system includes the following items:
^ Component and circuit description
^ On-vehicle service for each sub-system
^ Functional checks and diagnostic tables

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