Vacuum Switching Valve (for Intake Air Control System)

1AR-FE INTAKE / EXHAUST: VACUUM SWITCHING VALVE (for Intake Air Control System): ON-VEHICLE INSPECTION

1. INSPECT VACUUM SWITCHING VALVE (for Intake Air Control System)

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





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Standard Resistance:





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

(b) Check the vacuum switching valve operation.

(1) Using a vacuum pump, when vacuum is applied to port E, check that air is sucked into the filter.





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

(2) Apply battery voltage across the terminals. Using a vacuum pump, when vacuum is applied to port F, check that air is sucked into port E.





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