Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Seat Belt Tension Reducer System
Parts Location
PARTS LOCATION
ILLUSTRATION
| *A | w/ Seat Position Memory System | - | - |
| *1 | FRONT SEAT INNER BELT ASSEMBLY LH | *2 | FRONT SEAT INNER BELT ASSEMBLY RH |
| *3 | FRONT SEAT OUTER BELT ASSEMBLY LH | *4 | FRONT SEAT OUTER BELT ASSEMBLY RH |
| *5 | POSITION CONTROL ECU AND SWITCH ASSEMBLY LH | *6 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 4 FUSE |
Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected.
| System Name | See Procedure |
|---|---|
| Lane Control System | |
| Pre-collision System | |
| Intelligent Clearance Sonar System | |
| Parking Assist Monitor System | |
| Panoramic View Monitor System | |
| Lighting System (w/ Automatic Headlight Beam Level Control System) | |
| Power Door Lock Control System | |
| Power Back Door System (w/ Outside Door Control Switch) |
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System Diagram
SYSTEM DIAGRAM
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Driver seat belt tension reducer does not operate | Wire harness or connector | - |
| Front seat inner belt assembly LH | | |
| Front seat outer belt assembly LH | | |
| Position control ECU and switch assembly LH* | - | |
| Front passenger seat belt tension reducer does not operate | Wire harness or connector | - |
| Front seat inner belt assembly RH | | |
| Front seat outer belt assembly RH | |
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- *: w/ Seat Position Memory System
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL OUTER BELT ANCHOR BRACKET SUB-AS ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vehicle Stability Control System: Vehicle Control History
VEHICLE CONTROL HISTORY DESCRIPTION
Vehicle Control History is a function that captures and stores ECU data when triggered by specific vehicle behavior.
It may be possible to determine the cause of the malfunction by checking the vehicle history information and freeze frame data.
The number o ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Steering Pad Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT STEERING PAD SWITCH ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Text in Illustration *A w/ Lane Departure Alert System - - *a Component without harness connected (Steering Pad Switch Assembly) *b Seek+ *c ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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