Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VI8C
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 08/2016]
Title: 2GR-FE (ENGINE CONTROL): VACUUM SWITCHING VALVE(for Engine Mounting): INSPECTION; 2016 MY Sienna [12/2015 - 08/2016]

INSPECTION

PROCEDURE

1. INSPECT DUTY VACUUM SWITCHING VALVE (OPERATION)

(a) Check the operation of the duty vacuum switching valve when positive battery voltage is applied to its terminals.

Text in Illustration

*a

Component without harness connected

(Duty Vacuum Switching Valve)

OK:

Tester Connection

Condition

Specified Condition

1 - 2

Battery voltage is not applied

The air from pipe G is flowing out through pipes E and H.

Battery voltage is applied

The air from pipe F is flowing out through pipes E and H.

2. INSPECT DUTY VACUUM SWITCHING VALVE (RESISTANCE)

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

Text in Illustration

*a

Component without harness connected

(Duty Vacuum Switching Valve)

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

20°C (68°F)

19 to 21 Ω

If the resistance is not as specified, replace the duty vacuum switching valve.