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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 

HORN SYSTEM PROBLEM SYMPTOMS TABLE

Symptom Suspected Area See
Horn does not sound HORN fuse -
Multiplex communication line -
Steering pad STEERING PAD
Spiral cable REMOVAL
Windshield wiper switch assembly WIPER SWITCH
Front controller (Multiplex Network Body ECU) -
Wire harness -
Horn blows all the time Steering pad STEERING PAD
Spiral cable REMOVAL
Windshield wiper switch assembly WIPER SWITCH
Front controller (Multiplex Network Body ECU) -
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 -