Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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	-	-

Inspection

INSPECTION

PROCEDURE

1. INSPECT HIGH PITCHED HORN ASSEMBLY

(a) Apply battery voltage and check the operation of the high pitched horn assembly according to the table below. OK: Measurement Condition Specified Condition Battery positive (+) → Terminal 1 Battery negative (-) → Body ground 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 Body ground

2. INSPECT LOW PITCHED HORN ASSEMBLY

(a) Apply battery voltage and check the operation of the low pitched horn assembly according to the table below. OK: Measurement Condition Specified Condition Battery positive (+) → Terminal 1 Battery negative (-) → Body ground 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 Body ground

Removal

REMOVAL

PROCEDURE

1. REMOVE COOL AIR INTAKE DUCT SEAL

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2. REMOVE HIGH PITCHED HORN ASSEMBLY

(a) Disconnect the connector.

(b) Remove the bolt and high pitched horn assembly.

3. REMOVE LOW PITCHED HORN ASSEMBLY

(a) Disconnect the connector.

(b) Remove the bolt and low pitched horn assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL LOW PITCHED HORN ASSEMBLY

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

Torque:

19 N·m {194 kgf·cm, 14 ft·lbf}

(b) Connect the connector.

2. INSTALL HIGH PITCHED HORN ASSEMBLY

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

Torque:

19 N·m {194 kgf·cm, 14 ft·lbf}

(b) Connect the connector.

3. INSTALL COOL AIR INTAKE DUCT SEAL

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