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Home >> Lexus >> 2004 >> LX 470 >> Repair and Diagnosis >> Body & Frame >> Windows >> Body Electrical (Troubleshooting) >> Problem Symptoms Table >> Horn System:

Horn System:

HORN SYSTEM SPECIFICATION

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