Vehicle Exterior

Horn System

~1min read
Parts Location PARTS LOCATION ILLUSTRATION
Problem Symptoms Table PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Horn System

Symptom

Suspected Area

See page

Horn does not sound

HORN fuse

Low pitched horn assembly

High pitched horn assembly

Engine room relay block (No. 1 integration relay)

Steering pad (Horn button assembly)

Steering pad switch assembly*

-

Spiral cable sub-assembly

Harness or connector

-

  • *: w/ Steering Pad Switch Assembly
System Diagram SYSTEM DIAGRAM

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.