Lexus NX: Headlight Cleaner Control Relay (for Single Beam Headlight)

Lexus NX Service Manual / Vehicle Exterior / Wiper / Washer / Headlight Cleaner Control Relay (for Single Beam Headlight)

Components

COMPONENTS

ILLUSTRATION

*1

FRONT BUMPER COVER

*2

HEADLIGHT CLEANER CONTROL RELAY

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT HEADLIGHT CLEANER CONTROL RELAY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

6 (PB) - 4 (E)

Battery voltage not applied

10 kΩ or higher

Battery positive (+) → Terminal 3 (IG)

Battery negative (-) → Terminal 4 (E)

Battery negative (-) → Terminal 5 (FRWA)

Battery positive (+) → Terminal 3 (IG)

Battery negative (-) → Terminal 4 (E)

Below 1 Ω for 0.8 to 0.9 seconds, then resistance increases by large amount

Battery positive (+) → Terminal 3 (IG)

Battery positive (+) → Terminal 1 (HDLO)

Battery negative (-) → Terminal 4 (E)

Battery negative (-) → Terminal 5 (FRWA)

If the result is not as specified, replace the headlight cleaner control relay.

*a

Component without harness connected

(Headlight Cleaner Control Relay)

Removal

REMOVAL

PROCEDURE

1. REMOVE FRONT BUMPER ASSEMBLY

(a) Remove the front bumper assembly.

(1) for Sport Package:

Click here

(2) except Sport Package:

Click here

2. REMOVE HEADLIGHT CLEANER CONTROL RELAY

(a) Disconnect the connector.

(b) Detach the claw and remove the headlight cleaner control relay.

Installation

INSTALLATION

PROCEDURE

1. INSTALL HEADLIGHT CLEANER CONTROL RELAY

(a) Attach the claw to install the headlight cleaner control relay.

(b) Connect the connector.

2. INSTALL FRONT BUMPER ASSEMBLY

(a) Install the front bumper assembly.

(1) for Sport Package:

Click here

(2) except Sport Package:

Click here

READ NEXT:

 Headlight Cleaner Control Relay(for Triple Beam Headlight)

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT HEADLIGHT CLEANER CONTROL RELAY (a) Remove the headlight cleaner control relay. (b) Measure the resistance according to the value(s)

 Headlight Cleaner Motor

ComponentsCOMPONENTS ILLUSTRATION *1 FRONT BUMPER ASSEMBLY *2 HEADLIGHT CLEANER MOTOR AND PUMP ASSEMBLY RemovalREMOVAL PROCEDURE 1. REMOVE FRONT BUMPER ASSEMBLY Click here 2. REMOVE

 Rain Sensor

SEE MORE:

 Installation

INSTALLATION PROCEDURE 1. INSTALL ULTRASONIC SENSOR CUSHION SET HINT: Perform the following procedure only when replacement of a ultrasonic sensor cushion set is necessary. (a) Install the ultrasonic sensor cushion set as shown in the illustration. Install in this Direction - - 2. INST

 Center Airbag Sensor Assembly Communication Circuit Malfunction (B1790)

DESCRIPTION The airbag ECU assembly communication circuit consists of the occupant detection ECU and airbag ECU assembly. DTC B1790 is stored when a malfunction is detected in the airbag ECU assembly communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B179

© 2016-2025 Copyright www.lexunx.com