Lexus RX (RX 350L, RX450h) 2016-2023 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) 2016-2023 Repair Manual > Navigation System: Stereo Component Amplifier Malfunction (B15A3)
    DESCRIPTION This DTC is stored when a malfunction occurs in the stereo component amplifier assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15A3 Stereo Component Amplifier Malfunction When any of the following conditions is met: Internal power supply malfunc ...

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Noise Filter (w/o Rear No. 2 Seat): Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during radio setting condenser removal/installation are shown below. Necessary Procedures After Parts Removed/ ...

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

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

    Chevrolet Trax (2013-2022) Owner's Manual

    © 2023 Copyright www.lexusrx.net
    0.0116