CTS V6-3.2L VIN N (2003)
Accessory Delay Module: Initial Inspection and Diagnostic Overview
Diagnostic Starting Point
DIAGNOSTIC STARTING POINT - RETAINED ACCESSORY POWER
Begin the system diagnosis with the Diagnostic System Check - Retained Accessory Power . The diagnostic system check will provide the following
information:
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The identification of the control modules which command the system
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The ability of the control modules to communicate through the serial data circuit
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The identification of any stored diagnostic trouble codes DTCs and their status
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
Diagnostic System Check
DIAGNOSTIC SYSTEM CHECK - RETAINED ACCESSORY POWER
TEST DESCRIPTION
Steps 1-2
