Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Power Source Circuit

DESCRIPTION

This circuit provides power to operate the blind spot monitor sensor.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH POWER SOURCE)

(a) Disconnect the X2 blind spot monitor sensor LH connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

X2-5 (BLB) - Body ground

Engine switch on (IG)

11 to 14 V

X2-5 (BLB) - Body ground

Engine switch off

Below 1 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BODY GROUND)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

X2-10 (BLGD) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH POWER SOURCE)

(a) Disconnect the W2 blind spot monitor sensor RH connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

W2-5 (BRB) - Body ground

Engine switch on (IG)

11 to 14 V

W2-5 (BRB) - Body ground

Engine switch off

Below 1 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

4.

CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BODY GROUND)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

W2-10 (BRGD) - Body ground

Always

Below 1 Ω

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    Software Incompatibility with Body Control Module "B" (U1331)
    DESCRIPTION This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors. DTC No. Detection Item D ...

    Clearance Warning Buzzer (for Front Side)
    ComponentsCOMPONENTS ILLUSTRATION *1 NO. 1 CLEARANCE WARNING BUZZER - - RemovalREMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or regist ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Audio And Visual System (for 8 Inch Display): Panel Switches do not Function
    CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System. Click here PROCEDURE 1. CHECK PANEL SWITCH (a) Check fo ...

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Camshaft Position Sensor: Installation
    INSTALLATION PROCEDURE 1. INSTALL VVT SENSOR (for Exhaust Side of Bank 2) (a) Apply a light coat of engine oil to the O-ring of the VVT sensor. NOTICE: If reusing the VVT sensor, be sure to inspect the O-ring. (b) Apply adhesive to 2 or 3 threads at the end of the bolt. Adhesive: Toyota Genuine ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2022 Copyright www.lexusrx.net
    0.0158