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Home >> Toyota >> 2012 >> Matrix S, FWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Horn (Inspection)) >> Horn System >> Problem Symptoms Table >> Problem Symptoms Table
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Problem Symptoms Table

WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.

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
Horn does not sound HORN fuse -
Integration relay Refer to ON-VEHICLE INSPECTION
Low pitched horn assembly Refer to INSPECTION
Steering pad assembly Refer to ON-VEHICLE INSPECTION
Spiral cable sub-assembly Refer to INSPECTION
Wire harness -
Horn blows all the time Integration relay Refer to ON-VEHICLE INSPECTION
Steering pad assembly Refer to ON-VEHICLE INSPECTION
Spiral cable sub-assembly Refer to INSPECTION
Wire harness -