15
This test performed would be done if we
wanted to know if the IFC module is supplying
power to the Pilot solenoid (EV1) telling it to
open.
Multimeter would be in VDC.
EV1 Solenoid
One multimeter pin would be placed on the
ground at the top of the valve where yellow/
green wire connect, while the other pin would
be placed on the spade connection where the
Orange wire connects to the EV1 solenoid.
Initially when you turn on the pilot you will get
a reading of about 4.292VDC (Figure 2.1) and
drop to about 0.940 (Figure 2.2).
This reading tells us the IFC module is sending
power through the harness to open the
corresponding solenoid.
If you are getting power and valve is still not
supplying gas our focus would be is gas turned
on, pilot lined crimped, or bad valve. (see
troubleshooting tree for complete steps)
EV2 Solenoid
To test Burner solenoid (EV2) follow the same
process, but connect multimeter pins to ground
and to the green solenoid and NOT the orange.
Important: To test the Burner Solenoid
(EV2) there would need to be a proven/
rectified pilot flame.
Verifying Voltage on Solenoids (EV1 and EV2)
Voltage will drop
Figure 2.1
Figure 2.2
