Toyota Tundra Service Manual: 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:

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

(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

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Toyota Tundra Owners Manual