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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1084 (Horn System) >> Diagnostic Information and Procedures >> Symptoms - Horns >> Notes

Symptoms - Horns: Notes

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The following steps must be completed before using the symptom tables:
  1. Perform Diagnostic System Check - Horns  before using the symptom tables in order to verify that all of the following are true:
    • There are no DTCs set.
    • The control module(s) can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to Horns System Description and Operation .
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