Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR POWER SEAT SWITCH LH

(a) for LH Side:

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

2 (FLDL) - 7 (E)

FOLD switch pressed

Below 100 Ω

2 (FLDL) - 7 (E)

3 (RTNL) - 7 (E)

OFF

1 MΩ or higher

3 (RTNL) - 7 (E)

RETURN switch pressed

Below 100 Ω

If the result is not as specified, replace the rear power seat switch.

*a

Component without harness connected

(Rear Power Seat Switch LH)

2. INSPECT REAR POWER SEAT SWITCH RH

(a) for RH Side:

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

2 (RTNR) - 7 (E)

RETURN switch pressed

Below 100 Ω

2 (RTNR) - 7 (E)

3 (FLDR) - 7 (E)

OFF

1 MΩ or higher

3 (FLDR) - 7 (E)

FOLD switch pressed

Below 100 Ω

If the result is not as specified, replace the rear power seat switch.

*a

Component without harness connected

(Rear Power Seat Switch RH)

3. INSPECT FOLD SEAT SWITCH ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (RTRN) - 7 (E)

RETURN RH switch pressed

Below 1 Ω

6 (FOLD) - 7 (E)

FOLD RH switch pressed

1 (RTRN) - 7 (E)

3 (RTRN) - 7 (E)

6 (FOLD) - 7 (E)

8 (FOLD) - 7 (E)

OFF

Below 1 Ω

3 (RTRN) - 7 (E)

RETURN LH switch pressed

Below 1 Ω

8 (FOLD) - 7 (E)

FOLD LH switch pressed

If the result is not as specified, replace the fold seat switch assembly.

*a

Component without harness connected

(Fold Seat Switch Assembly)

(b) Apply battery voltage to the switch connector and check that the fold seat switch assembly illuminates.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 5 (+B)

Battery negative (-) → Terminal 4 (ILL-)

Illumination illuminates

If the result is not as specified, replace the fold seat switch assembly.

    Removal
    REMOVAL PROCEDURE 1. REMOVE POWER SEAT SWITCH ASSEMBLY (for 60/40 Split Seat Type RH Side) (a) Using a moulding remover A, disengage the 2 claws as shown in the illustration. Remove in this Dir ...

    Installation
    INSTALLATION PROCEDURE 1. INSTALL FOLD SEAT SWITCH ASSEMBLY (for Luggage Compartment) (a) Connect the connector. (b) Engage the 4 claws to install the fold seat switch assembly. 2. INST ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Wireless Charging System: How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the wireless charging system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK In troubleshooting, confirm that the problem symptoms have ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Side Satellite Sensor Bus Lost Communication (LH) (B1647,B1648)
    DESCRIPTION The side collision sensor LH circuit (bus 1) consists of the airbag sensor assembly, door side airbag sensor LH and rear airbag sensor LH. The door side airbag sensor LH and rear airbag sensor LH detect impacts to the vehicle and send signals to the airbag sensor assembly to determine if ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0139