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Home >> Lexus >> 2004 >> IS 300 Base, Automatic >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Electrical (Troubleshooting) >> Problem Symptoms Table >> Horn System

Horn System

HORN SYSTEM PROBLEM SYMPTOMS

Symptom Suspect Area Action
Horn system does not operate.
  1. HORN Fuse
  2. Horn Relay
  3. Horn Switch
  4. Horn
  5. Wire Harness
  1. LOCATION
  2. INSPECTION
  3. INSPECTION
  4. INSPECTION
  5. -
Horns blow all the time.
  1. Horn Relay
  2. Horn Switch
  3. Wire Harness
  1. INSPECTION
  2. INSPECTION
  3. -
One horn operates but the other horn does not operate.
  1. Horn
  2. Wire Harness
  1. INSPECTION
  2. -
Horns operate abnormally.
  1. Horn Relay
  2. Horn
  3. Wire Harness
  1. INSPECTION
  2. INSPECTION
  3. -
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