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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 Disassembly

DISASSEMBLY CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear door removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/R

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: If the battery voltage becomes low, battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the windshield deicer system may not operate. HINT: Use the table below to help determine the caus

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