Corsica L4-2.2L VIN 4 (1995)
Serial Data: Component Tests and General Diagnostics
Circuit Operation
There are three modules which can be accessed with a Tech 1 Scan Tool through the Data Link Connector. The 800 CKT provides a path that allows the
Scan Tool to "talk" with the Powertrain Control Module
(PCM), Diagnostic Energy Reserve Module (DERM), and the Electronic Brake Control
Module
(EBCM). After communication is established, system operations can then be monitored for diagnostic purposes.
System Diagnosis
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Perform the
System Check and Refer to the Symptom Table for the appropriate diagnostic procedures. See: Initial Inspection and Diagnostic
Overview/System Check See: Symptom Related Diagnostic Procedures
Chart # 1 (1 OF 2) - Serial Data Line Diagnosis