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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 821 (Theft Deterrent System) >> Diagnostic Information and Procedures >> Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode

Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode

Step Action Yes No
Schematic Reference: Theft Deterrent System Schematics 
Connector End View Reference: Theft Deterrent System Connector End Views 
DEFINITION: The horn does not sound when the CTD system is in alarm mode.
1 Did you perform the Theft Deterrent Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Theft Deterrent 
2 Perform one of the following to activate the CTD Alarm Mode:
Operate the PANIC button on the keyless entry transmitter.
OR
  1. Open the driver's window.
  2. Lock the vehicle using the power door locks or the keyless entry transmitter.
  3. Close all doors.
  4. Wait for the SECURITY indicator to go off (30 seconds).
  5. Reach in and manually unlock the driver's door.
  6. Open the driver's door.

Do all of the Alarm mode functions activate (Lights flash and horn pulses)?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Are only the horns inoperative? Go to Horns Inoperative in Horns Go to Content Theft Deterrent (CTD) Alarm Mode Inoperative 
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