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:

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    OPERATION CHECK CHECK BASIC FUNCTION HINT: The rear power seat switch is a collective term for the rear power seat switch RH and the rear power seat switch LH. (a) Operate the rear power seat switch, fold seat switch assembly and check that each switch function operates normally. Reclining operat ...

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

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

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