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

INSPECTION

PROCEDURE

1. INSPECT NO. 2 VACUUM SWITCHING VALVE ASSEMBLY

(a) Measure the resistance.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

20°C (68°F)

37 to 44 Ω

1 - Body ground

10 kΩ or higher

2 - Body ground

10 kΩ or higher

If the result is not as specified, replace the No. 2 vacuum switching valve assembly.

*a

Component without harness connected

(No. 2 Vacuum Switching Valve Assembly)

*a

Port (E)

*b

Port (F)

*c

Air

*d

Filter

(b) Check the operation of the No. 2 vacuum switching valve assembly.

(1) Using a vacuum pump, check that air flows from port (E) to the filter.

Standard:

Condition

Standard

Vacuum of 67 kPa (503 mmHg, 19.8 in.Hg) applied to port (F)

Air flows from port (E) to the filter.

If the result is not as specified, replace the No. 2 vacuum switching valve assembly.

(2) Apply battery voltage to the terminals and check that air flows from port (E) to port (F).

Standard:

Condition

Standard

Battery voltage applied between terminals

Air flows from port (E) to port (F).

If the result is not as specified, replace the No. 2 vacuum switching valve assembly.

*a

Port (E)

*b

Port (F)

*c

Air

    Removal
    REMOVAL PROCEDURE 1. REMOVE COOL AIR INTAKE DUCT SEAL Click here 2. REMOVE INLET AIR CLEANER ASSEMBLY (a) Remove the 2 bolts and inlet air cleaner assembly from the air cleaner case sub-assembl ...

    Installation
    INSTALLATION PROCEDURE 1. INSTALL NO. 2 VACUUM SWITCHING VALVE ASSEMBLY (a) Install the No. 2 vacuum switching valve assembly to the front engine mounting bracket with the bolt. Torque: 20 N·m {204 ...

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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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