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Home >> Toyota >> 2009 >> Highlander Limited, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Horns >> Horn (Except Hybrid) >> Horn System >> Problem Symptoms Table

Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem symptom. 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 CHART

Symptom Suspected Area Reference
Horn does not sound HORN fuse -
Horn relay HORN RELAY 
Horn switch (Steering pad) STEERING PAD
Steering pad switch STEERING PAD SWITCH 
Spiral cable SPIRAL CABLE 
Wire harness -
Horn sounds constantly Horn relay HORN RELAY 
Horn switch (Steering pad) STEERING PAD
Steering pad switch STEERING PAD SWITCH 
Wire harness -
Low pitched horn operates but high pitched horn does not operate High pitched horn HIGH PITCHED HORN 
Wire harness -
High pitched horn operates but low pitched horn does not operate Low pitched horn LOW PITCHED HORN 
Wire harness -