TB 9-2320-360-13&P-1
A/C BLOWER OPERATES BUT NO COLD AIR FROM A/C DUCTS - CONTINUED.
2.
WARNING
KNOWN INFO
Read WARNING on
A/C blower operates.
page 0017 00-5.
A/C intake filter OK.
POSSIBLE PROBLEMS
Is A/C compressor belt tight
and free from damage?
A/C compressor belt missing,
damaged, or loose.
TEST OPTIONS
A/C compressor black wire faulty.
A/C condenser blocked or
Visual Inspection.
damaged.
REASON FOR QUESTION
A/C evaporator blocked or
If A/C compressor belt is missing,
damaged.
loose, or damaged, A/C
A/C thermostatic switch
compressor will not operate
temperature probe misaligned.
correctly.
A/C compressor receiver/dryer
Tighten or replace
harness red wire faulty.
A/C compressor
A/C thermostatic switch faulty.
NO
belt (WP 0037 00).
A/C evaporator harness or A/C
Verify fault, go to
compressor receiver/dryer
Step 13 of this fault.
harness brown wire faulty.
YES
A/C control switch faulty.
A/C switch harness brown wire
faulty.
3.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING on
A/C blower operates.
Voltage test.
page 0017 00-5.
A/C intake filter OK.
A/C compressor belt OK.
REASON FOR QUESTION
Are 22 to 28 vdc measured on
POSSIBLE PROBLEMS
red wire at A/C compressor
If 22 to 28 vdc is not measured, A/
A/C compressor receiver/dryer
C compressor clutch will not
clutch connector?
harness red wire faulty.
engage.
A/C compressor black wire faulty.
A/C condenser blocked or
damaged.
A/C evaporator blocked or
damaged.
A/C thermostatic switch
temperature probe misaligned.
A/C thermostatic switch faulty.
Go to Step 8
A/C evaporator harness or A/C
NO
of this fault.
compressor receiver/dryer
harness brown wire faulty.
A/C control switch faulty.
YES
A/C switch harness brown wire
faulty.
0017 00-4
