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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 416 (Horns) >> Diagnostic Information And Procedures >> DTC B2752: Short To Ground Or An Open In Horn Relay Control Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

  1. 2.  Listen for an audible click when the horn relay operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 3.  Tests for voltage at the coil side of the horn relay. The HORN fuse supplies power to the coil side of the horn relay.
  3. 4.  Verifies that the body control module (BCM) is providing ground to the horn relay.
  4. 5.  Tests if ground is constantly being applied to the horn relay.
    5. Fig 1: Identifying DTC B2752 Diagnostic Table
    G01755407Courtesy of GENERAL MOTORS CORP.
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