Astro Van 2WD V6-4.3L VIN X (2002)
Accessory Delay Module: Symptom Related Diagnostic Procedures
A Symptoms
IMPORTANT PRELIMINARY CHECKS BEFORE STARTING
1. Perform the Diagnostic System Check - Accessory Delay Module before using the Symptom Tables in order to verify that all of the following are
true:
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There are no DTCs set.
^
The control module(s) can communicate via the serial data link. See: Initial Inspection and Diagnostic Overview/Diagnostic System Check
2. Review the system operation in order to familiarize yourself with the system functions. Refer to Retained Accessory Power (RAP) Description and
Operation.
VISUAL/PHYSICAL INSPECTION
^
Inspect for aftermarket devices which could affect the operation of the Retained Accessory Power system. Refer to Checking Aftermarket
Accessories in Diagnostic Aids.
^
Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
INTERMITTENT
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in
Diagnostic Aids.
SYMPTOM LIST
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^
Retained Accessory Power (RAP) On After Timeout
^
Retained Accessory Power (RAP) Inoperative
