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 > Headlight Ecu: 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 HEADLIGHT GASKET (a) Install a new headlight gasket. 2. INSTALL NO. 1 HEADLIGHT ECU SUB-ASSEMBLY NOTICE: If the No. 1 headlight ligh ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lighting System (w/o Automatic Headlight Beam Level Control System): Hazard Warning Switch Circuit
    DESCRIPTION The combination meter assembly receives the hazard warning signal switch on signal and controls the operation of the hazard warning lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacing the combination meter assembly, always replace it with a new one. If a combination me ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0106