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

    See More:

    Toyota Tundra Service Manual > Sfi System: Secondary Air Injection System Pump Stuck On Bank1 (P2444-P2447)
    DESCRIPTION Refer to P2440 (See page ). DTC No. DTC Detection Condition Trouble Area P2444 P2446 Secondary air pressure more than 3.0 kPa (23 mmHg) despite ECM commanding air pump to turn off (2 trip detection logic) Short in air pump circuit Open or short in pressure sensor circuit Pressure sensor ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2020 Copyright www.ttundra.com
    0.0142