TM 9-4120-378-14
INITIAL SETUP
Equipment Condition:
Test Equipment:
Rear and center top covers removed (paragraph 4.17)
Multimeter
24V power supply
Action
Location/ltem
Remarks
Disconnect air conditioner power supply
before doing maintenance work on the
electrical system.
NOTE
The following instructions apply to
both the equalizing solenoid L2 and
the liquid line solenoid L1.
Test
a.
Disconnect wiring harness connector from con-
nector on solenoid valve.
b.
Use a multimeter set on lowest OHMS scale to
check for continuity between contacts A and B in
solenoid valve connector. If continuity is not
found, coil is open and must be replaced,
c.
Use multimeter to check for continuity between
each contact in solenoid valve connector and
coil casing. If continuity is found between either
contact and case, the coil is grounded and
should be replaced.
4-104
