Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Inspection

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Vehicle Interior / Seat / Rear Seat Cushion Heater (for Captain Seat Type) / Inspection

INSPECTION

PROCEDURE

1. INSPECT SEAT HEATER ASSEMBLY (for LH Side)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

H1-1 - H-4

Seat heater temperature 20 °C (68 °F)

3.75 to 4.51 Ω

H-1 - I-1

Always

Below 1 Ω

H-2 - H-3

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

8.21 to 14.89 kΩ

H-4 - I-2

Always

Below 1 Ω

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

*a

Component without harness connected

(Seat Heater Assembly (for LH Side))

2. INSPECT SEAT HEATER ASSEMBLY (for RH Side)

(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))
    Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during rear ...

    Installation
    INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the seat frame may injure your hands. HINT: Use the same procedure for the RH side and LH side. The following ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Blind Spot Monitor System: Lost Communication with Blind Spot Monitor Slave Module (U0232)
    DESCRIPTION This DTC is stored when the blind spot monitor sensor LH judges that there is a communication problem with the blind spot monitor sensor RH. DTC No. Detection Item DTC Detection Condition Trouble Area U0232 Lost Communication with Blind Spot Monitor Slave Module The blin ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Inside Vehicle: General Maintenance
    GENERAL MAINTENANCE CAUTION / NOTICE / HINT These are maintenance and inspection items that are considered to be the owner's responsibility. The owner can do them or they can have them done at a service center. These items include those that should be checked on a daily basis, those that in most ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0085