Protege L4-1839cc 1.8L DOHC (1990)
Canister Purge Solenoid: Testing and Inspection
Testing Solenoid Valve
1.
Disconnect solenoid valve vacuum hoses.
2.
Check that air cannot flow through valve.
3.
Disconnect valve electrical harness. Connect 12V and a ground to solenoid terminals.
4.
Check that air can now flow through valve.
5.
If not as described, replace valve.
Purge control solenoid valve output voltage can be checked at ECU terminal 2X. When ignition is "ON" and at idle, terminal voltage should be
approximately 12V.
For evaporative emission control system component description, operation and testing procedures, refer to EMISSION CONTROLS.
