Lexus RX (RX 350L, RX450h) 2016-2025 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)

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.
Seat Belt Tension Reducer System

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

  • *: 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 ...

    Seat Belt Warning System
    ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Electric Parking Brake System: Left Electric Parking Brake Actuator Circuit Current Above Threshold (C060E19)
    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C060E19 Left Electric Parking Brake Actuator Circuit Current Above Threshold When the electric parking brake is operating, overcurrent is detected in the parking brake actuator assembly LH 3 time ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Blind Spot Monitor System: Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)
    DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor. HINT: If CAN communication system DTCs are stored, they may also be stored for other systems. DTC No. Detection Item DTC Detection Condition Trouble Area ...

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

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

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