Pinpoint Tests: Notes

Pinpoint Test A: The Horn Is Inoperative 

Diagnostic Overview 

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods for information about these practices.

Refer to Horn/Cigar Lighter , for schematic and connector information.

Normal Operation and Fault Conditions 

Refer to Horn .

Possible Sources 

• Fuse
• Wiring, terminals or connectors
• Steering wheel harness
• Horn
• Clockspring
• Horn switch (part of the steering wheel)
• BCM
• SCCM

Visual Inspection and Diagnostic Pre-checks 

Inspect the BCM fuse 22 (20A).