Lexus NX: Horn System

Parts Location

PARTS LOCATION

ILLUSTRATION

*1

LOW PITCHED HORN ASSEMBLY

*2

HIGH PITCHED HORN ASSEMBLY

*3

HORN RELAY

*4

SPIRAL CABLE SUB-ASSEMBLY

*5

STEERING PAD SWITCH ASSEMBLY

*6

HORN BUTTON ASSEMBLY

*7

HORN FUSE

*8

NO. 2 ENGINE ROOM RELAY BLOCK

System Diagram

SYSTEM DIAGRAM

Problem Symptoms Table

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

Link

Horn does not sound

HORN fuse

-

HORN relay

Low pitched horn assembly

High pitched horn assembly

Steering pad switch assembly

Spiral cable sub-assembly

Horn button assembly

Harness or connector

-

READ NEXT:

 Relay

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT HORN RELAY ASSEMBLY (a) Remove the horn relay assembly. (b) Measure the resistance according to the value(s) in the tabl

 Lighting (ext)

 Afs (adaptive Front-lighting System)

SEE MORE:

 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no malfunction, clear the DTC. While the auxiliary battery is connected, even if the power switch is of

 Utility

UTILITY NOTICE: If the forward recognition camera has been replaced with a new one or the windshield glass has been removed and installed, it is necessary to perform forward recognition camera adjustment. HINT: Forward recognition camera adjustment can be performed by using either "One Time Recog

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