Toyota Tundra Service Manual: Vacuum Switching Valve(for Acis)

Toyota Tundra Service Manual / Engine, Hybrid System / 1ur-fe Intake / Vacuum Switching Valve(for Acis)

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE V-BANK COVER SUB-ASSEMBLY

2. INSPECT VACUUM SWITCHING VALVE ASSEMBLY (for ACIS)

(a) Disconnect the vacuum switching valve connector.

(b) 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

Always

1 MΩ or higher

2 - Body ground

If the result is not as specified, replace the vacuum switching valve assembly.

(c) Check the vacuum switching valve operation.

(1) When applying a vacuum to port E, check that air is sucked into the filter.

(2) Apply voltage across the terminals.

(3) When applying a vacuum to port F, check that air is sucked into port E.

If the result is not as specified, replace the vacuum switching valve assembly.

(d) Connect the vacuum switching valve connector.

3. INSTALL V-BANK COVER SUB-ASSEMBLY

    Intake System

    1ur-fe Lubrication

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