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

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Vehicle Interior / Seat / Front Seatback Heater / Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT SEATBACK 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

1 - 2

Seat heater temperature 20 °C (68 °F)

1.89 to 2.27 Ω

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

*a

Component without harness connected

(Front Seatback Heater Assembly (for LH Side))

2. INSPECT FRONT SEATBACK 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

1 - 2

Seat heater temperature 20 °C (68 °F)

1.89 to 2.27 Ω

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

*a

Component without harness connected

(Front Seatback Heater Assembly (for RH Side))

3. INSPECT FRONT SEATBACK HEATER (FRONT SEATBACK PAD WITH COVER LH)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Seat heater temperature 23 °C (73 °F)

2.36 to 2.90 Ω

If the result is not as specified, replace the front seatback heater (front seatback pad with cover LH).

*a

Component without harness connected

Front Seatback Heater (Front Seatback Pad with Cover LH)

4. INSPECT FRONT SEATBACK HEATER (FRONT SEATBACK PAD WITH COVER RH)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Seat heater temperature 23 °C (73 °F)

2.36 to 2.90 Ω

If the result is not as specified, replace the front seatback heater (front seatback pad with cover RH).

*a

Component without harness connected

Front Seatback Heater (Front Seatback Pad with Cover RH)
    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 fron ...

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

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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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