Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT COMBINATION SWITCH ASSEMBLY

(a) Inspect the NORMAL or NORMAL CUSTOMIZE mode switch:

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

8 (B) - 1 (GND)

Combination switch pushed and held

Below 50 Ω

Combination switch not pushed

10 kΩ or higher

If the result is not as specified, replace the combination switch assembly.

*a

Component without harness connected

(Combination Switch Assembly)

(b) Inspect the SPORT or SPORT S/S+ mode switch:

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

7 (P) - 1 (GND)

Combination switch turned and held at SPORT or SPORT S/S+ position

Below 50 Ω

Combination switch not turned

10 kΩ or higher

If the result is not as specified, replace the combination switch assembly.

*a

Component without harness connected

(Combination Switch Assembly)

(c) Inspect the illumination:

(1) Apply battery voltage to the combination switch assembly and check that the combination switch assembly illuminates.

Standard:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 10 (ILL+)

Battery negative (-) → Terminal 6 (ILL-)

Illuminates

If the result is not as specified, replace the combination switch assembly.

*a

Component without harness connected

(Combination Switch Assembly)

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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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