TB 9-2320-360-13&P-1
A/C BLOWER OPERATES BUT NO COLD AIR FROM A/C DUCTS - CONTINUED.
10.
KNOWN INFO
WARNING
Read WARNING on
A/C blower operates.
page 0017 00-13.
A/C intake filter OK.
A/C compressor belt OK.
Are 22 to 28 vdc measured on
A/C compressor black wire OK.
A/C condenser OK.
brown wire at A/C switch
A/C evaporator OK.
harness evaporator harness
TEST OPTIONS
A/C thermostatic switch
connector?
Voltage Test.
temperature probe alignment
OK.
A/C compressor receiver/dryer
REASON FOR QUESTION
harness red wire OK.
If 22 to 28 vdc is not measured, A/
POSSIBLE PROBLEMS
C will not operate correctly.
A/C thermostatic switch faulty.
A/C evaporator harness or A/C
Go to Step 12 of
compressor receiver/dryer
NO
this fault.
harness brown wire faulty.
A/C control switch faulty.
A/C switch harness brown wire
YES
faulty.
KNOWN INFO
TEST OPTIONS
11.
WARNING
A/C blower operates.
Continuity test.
Read WARNING on
page 0017 00-13.
A/C intake filter OK.
A/C compressor belt OK.
REASON FOR QUESTION
A/C compressor black wire OK.
Is continuity measured
If continuity is measured, brown
A/C condenser OK.
across A/C thermostatic
wire is faulty. If not, A/C
A/C evaporator OK.
switch terminals, when
thermostatic switch is faulty.
A/C thermostatic switch
ambient temperature is above
temperature probe alignment
35F (2C)?
OK.
A/C compressor receiver/dryer
harness red wire OK.
A/C control switch OK.
A/C switch harness brown wire
Replace A/C
OK.
thermostatic switch
POSSIBLE PROBLEMS
(WP 0031 00). Verify
NO
repair, go to Step 13
A/C thermostatic switch faulty.
of this fault.
A/C evaporator harness or A/C
compressor receiver/dryer
harness brown wire faulty.
YES
Repair brown wire from A/
C evaporator harness
switch harness connector
to A/C binary switch (See
WP 0057 00, Fig j), or
notify DS Maintenance.
0017 00-12