Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Security Horn Assembly(except Built-in Battery Type)

Components

COMPONENTS

ILLUSTRATION

*1	AIR CLEANER CAP SUB-ASSEMBLY	*2	SECURITY HORN ASSEMBLY
	N*m (kgf*cm, ft.*lbf): Specified torque	-	-
*T1	for Type A: 8.3 (85, 73 in.*lbf) for Type B: 10 (102, 7)	-	-

Removal

REMOVAL

PROCEDURE

1. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

(a) Disconnect the connector.

(b) Disengage the clamp.

(c) Disengage the 2 clamps.

*a Clamp *b Guide

(d) Disengage the 2 guides.

(e) Loosen the hose clamp and remove the air cleaner cap sub-assembly.

2. REMOVE SECURITY HORN ASSEMBLY

(a) Remove the bolt.

(b) Disengage the guide.

(c) Disconnect the connector to remove the security horn assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT SECURITY HORN ASSEMBLY

(a) Check the operation of the security horn assembly. OK: Battery Connection Specified Condition Battery positive (+) → Terminal 1 Security horn assembly sounds Battery negative (-) → Security horn assembly body If the result is not as specified, replace the security horn assembly.

*a Component without harness connected (Security Horn Assembly)

Installation

INSTALLATION

PROCEDURE

1. INSTALL SECURITY HORN ASSEMBLY

(a) Connect the connector.

*A for Type A *B for Type B

(b) Engage the guide and install the security horn assembly with the bolt.

Torque:

for Type A :

8.3 N·m {85 kgf·cm, 73 in·lbf}

for Type B :

10 N·m {102 kgf·cm, 7 ft·lbf}

NOTICE:

There are three types of bolts and the tightening torque depends on the type of bolt used as shown in the illustration. Therefore, confirm the tightening torque before installing the bolt.

2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY

(a) Align the rib with the hose notch as shown in the illustration and connect the air cleaner cap sub-assembly.

*a Notch *b Rib

(b) Tighten the hose clamp as shown in the illustration. Reference Measurement: Area Measurement A 13.0 to 19.0 mm (0.512 to 0.748 in.)

(c) Engage the 2 guides and 2 clamps to install the air cleaner cap sub-assembly.

(d) Engage the clamp.

(e) Connect the connector.