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Home >> Lexus >> 2006 >> RX 400h AWD >> Repair and Diagnosis >> Electrical >> Horns >> Horn >> Horn System >> Problem Symptoms Table

Problem Symptoms Table

HORN SYSTEM 

PROBLEM SYMPTOMS

Symptom Suspected area
Horn does not sound 1. HORN fuse
2. HORN RELAY 
3. Steering pad switch
4. SPIRAL CABLE 
5. Wire harness
Horn sounds all the time 1. HORN RELAY 
2. Horn switch
3. Wire harness
Low pitched horn operates but high pitched horn does not operate 1. HIGH PITCHED HORN 
2. Wire harness
High pitched horn operates but low pitched horn does not operate 1. LOW PITCHED HORN 
2. Wire harness