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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1222 (Body, Lock & Security System) >> Vehicle Security (Theft Warning) System >> Vehicle Security Horn Alarm Check

Vehicle Security Horn Alarm Check

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HORN OPERATION 

    Check if horn sounds with horn switch.

    Does horn operate? 

    1. Yes: Check harness for open or short between IPDM E/R and horn relay.
    2. No: Check horn circuit. Refer to "HORN ".
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