Toyota 4-Runner 1985 Repair Manual page 165

Solenoid Valve
EMISSION CONTROL SYSTEMS (CARB.) - Auxiliary Systems
EC-65
EC0517
Ohmmeter
00
0
Ohmmeter
EC0406
INSPECTION OF FUEL CUT SOLENOID VALVE
(a) Remove the solenoid valve.
(b) Connect the two terminals and the battery terminals
as shown.
(c) Check that you can feel a "click" from the solenoid
valve when the battery is connected and discon-
nected.
(d) Check the O-ring for damage.
If problem is found, replace the solenoid valve or O-ring.
(e) Reinstall the valve and reconnect the wiring con-
nector.
INSPECTION OF VACUUM SWITCH
(a) Using an ohmmeter, check for continuity between the
switch terminal and switch body.
A03083
(b) Start the engine.
(c) Using an ohmmeter, check that there is no continui-
ty between the switch terminal and the body.
If a problem is found, replace the vacuum switch.