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 > Parking Assist Monitor System: Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0140,U0163,U0233,U1110)
    DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly. HINT: If CAN communication system DTCs are stored, they may also be stored in other systems. DTC No. Detection Item DTC Detection Condition Trouble A ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning System: Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0118