Evaporative Emission Ventilation Solenoid Check

Connect a hand vacuum pump to nipple (A) of the evaporative emission canister and evaporative emission ventilation solenoid assembly.
Connect a plug to nipple (B) of the evaporative emission canister and evaporative emission ventilation solenoid assembly.

Fig 1: Connecting Hand Vacuum Pump To Nipple (A) And Plug To Nipple (B) Of Evaporative Emission Canister
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Check air tightness by applying a vacuum with voltage applied directly from the battery to the evaporative emission ventilation solenoid and without applying voltage.

BATTERY POSITIVE VOLTAGE APPLICATION REFERENCE CHART

Battery voltage	Normal condition
Applied	Vacuum maintained
Not applied	Vacuum leaks

Fig 2: Checking Air Tightness Of Evaporative Emission Ventilation Solenoid

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Measure the resistance between the terminals of the solenoid.
Standard value: 17 - 21 Ω (at 20°C (68°F))

Fig 3: Measuring Resistance Between Terminals Of Solenoid
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.