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Home >> Isuzu >> 2004 >> Ascender S, RWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System >> Symptom Test >> Introduction

Symptom Test: Introduction

CAUTION: The following steps must be completed before using the symptom tables.
  • Perform DIAGNOSTIC SYSTEM CHECK  before using the symptom tables in order to verify that all of the following are true:
    1. There are no DTCs set.
    2. The control module(s) can communicate via the serial data link.
  • Review the system operation in order to familiarize yourself with the system functions. See DESCRIPTION & OPERATION  .
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