Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000Z9JD
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: 2GR-FKS (ENGINE CONTROL): VACUUM SWITCHING VALVE(for Engine Mounting): INSPECTION; 2017 - 2020 MY Sienna [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.

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.

*a

Component without harness connected

(Duty Vacuum Switching Valve)

2. INSPECT DUTY VACUUM SWITCHING VALVE (RESISTANCE)

(a) 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)

19 to 21 Ω

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

*a

Component without harness connected

(Duty Vacuum Switching Valve)