Home Vehicle Exterior Horn HORN SYSTEM
Last Modified: 11-27-2007 1.6 T
Service Category: Vehicle Exterior Section: Horn
Model Year: 2008 Model: LX570 Doc ID: RM000002W3D006X
Title: HORN: HORN SYSTEM: PROBLEM SYMPTOMS TABLE (2008 LX570)

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

Symptom

Suspected Area

See page

Horn does not sound

HORN fuse

-

Low pitched horn

HORN: LOW PITCHED HORN: INSPECTION (2008 LX570)+

High pitched horn

HORN: HIGH PITCHED HORN: INSPECTION (2008 LX570)+

Engine room relay block, integration relay (HORN relay)

HORN: HORN RELAY: ON-VEHICLE INSPECTION (2008 LX570)

Steering pad assembly

-

Spiral cable

-

Wire harness

-