Lexus RX (RX 350L, RX450h) 2016-2026 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 | .gif) | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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| 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 |
|
| 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 |
|
| 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 ...
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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Parking Assist Monitor System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the parking assist monitor system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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The following procedure is for the LH side.
PROCEDURE 1. ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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