gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 11 > < Initial Inspection and Diagnostic Overview|Page 9
Page 1
background image

Accessory Delay Module: Symptom Related Diagnostic Procedures

A Symptoms

SYMPTOMS

IMPORTANT:  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 RAP feature.

-

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.

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

Initial Inspection and Diagnostic Overview|Page 11 > < Initial Inspection and Diagnostic Overview|Page 9