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

INSPECTION

PROCEDURE

1. INSPECT SEAT HEATER ASSEMBLY

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

F1-1 - F-4

Seat heater temperature 20 °C (68 °F)

3.75 to 4.51 Ω

F-1 - G-1

Always

Below 1 Ω

F-2 - F-3

Seat heater temperature 15 to 30°C (59 to 86°F)

8.21 to 14.89 kΩ

F-4 - G-2

Always

Below 1 Ω

If the result is not as specified, replace the seat heater assembly (for RH side).

*a

Component without harness connected

(Seat Heater Assembly (for RH Side))

    Rear Seat Cushion Heater (for 60/40 Split Seat Type Rh Side)
    ...

    Components
    COMPONENTS ILLUSTRATION *A w/o Rear No. 2 Seat *B for Manual Seat *C for Power Seat - - *1 NO. 1 RECLINING ADJUSTER RELEASE HANDLE RH *2 POWER SEAT SWITCH ASSEMBLY *3 ...

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

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

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