Lexus ES manuals

Lexus ES: Horn

Components

COMPONENTS

ILLUSTRATION

*1

COOL AIR INTAKE DUCT SEAL

*2

HIGH PITCHED HORN ASSEMBLY

*3

LOW PITCHED HORN ASSEMBLY

-

-

N*m (kgf*cm, ft.*lbf): Specified torque

-

-

Removal

REMOVAL

PROCEDURE

1. REMOVE COOL AIR INTAKE DUCT SEAL

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2. REMOVE HIGH PITCHED HORN ASSEMBLY

(a) Remove the bolt.

(b) Disconnect the connector to remove the high pitched horn assembly.

3. REMOVE LOW PITCHED HORN ASSEMBLY

(a) Remove the bolt.

(b) Disconnect the connector to remove the low pitched horn assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT HIGH PITCHED HORN ASSEMBLY

(a) Apply auxiliary battery voltage and check the operation of the high pitched horn assembly according to the table below.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → High pitched horn assembly body

Horn sounds

If the result is not as specified, replace the high pitched horn assembly.

*a

Component without harness connected

(High Pitched Horn Assembly)

*b

High Pitched Horn Assembly Body

2. INSPECT LOW PITCHED HORN ASSEMBLY

(a) Apply auxiliary battery voltage and check the operation of the low pitched horn assembly according to the table below.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Low pitched horn assembly body

Horn sounds

If the result is not as specified, replace the low pitched horn assembly.

*a

Component without harness connected

(Low Pitched Horn Assembly)

*b

Low Pitched Horn Assembly Body

Installation

INSTALLATION

PROCEDURE

1. INSTALL LOW PITCHED HORN ASSEMBLY

(a) Connect the connector.

(b) Install the low pitched horn assembly with the bolt.

Torque:

19.1 N·m {195 kgf·cm, 14 ft·lbf}

2. INSTALL HIGH PITCHED HORN ASSEMBLY

(a) Connect the connector.

(b) Install the high pitched horn assembly with the bolt.

Torque:

19.1 N·m {195 kgf·cm, 14 ft·lbf}

3. INSTALL COOL AIR INTAKE DUCT SEAL

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READ NEXT:

 Horn System

 Parts Location

PARTS LOCATION ILLUSTRATION *A for Type A *B for Type B *1 HIGH PITCHED HORN ASSEMBLY *2 LOW PITCHED HORN ASSEMBLY *3 HORN RELAY *4 ENGINE ROOM RELAY BLOCK AND JUNCTION B

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following s

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 Visual Mute Signal Circuit between Radio Receiver and Multi-display

DESCRIPTION The radio receiver assembly sends a visual mute signal to the multi-display assembly. As a result, a black screen is displayed when the screen changes so that noise and distorted images are not displayed. When an open exists in the circuit, noise and distorted images will be displayed in

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspecting the cooling fan system. (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on

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