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 > Rear Power Seat Control System(for Third Row): Position Sensor Circuit
DESCRIPTION When a fold seat control ECU receives signals from the fold seat switch assembly or No. 1 fold seat switch assembly, it operates the reclining motor and lifter motor of its corresponding rear No. 2 power seat. When the reclining motor or lifter motor is operating, the position sensor (Ha ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning System: Air Mix Damper Control Servo Motor Circuit (Rear) (B1447/47)
DESCRIPTION The Rear No. 2 cooling unit damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals to move the Rear No. 2 cooling unit d ...
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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