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Toyota
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2007
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Matrix L4-1.8L (1ZZ-FE)
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Repair and Diagnosis
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Lighting and Horns
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Horn
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Testing and Inspection
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Symptom Related Diagnostic Procedures
Symptom Related Diagnostic Procedures
PROBLEM SYMPTOMS TABLE
Problem Symptoms Table:
If all the check results are as specified and the wire harness is normal but the
horn
does not sound, replace the horn button contact switch (steering pad).