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Page Title:
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM DUCTS DURING AC OPERATIONS (Cont) |
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 DRAFT
TB 9-2320-279-13-1
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM
DUCTS DURING AC OPERATIONS - Continued
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WARNING
4.
KNOWN INFO
TEST OPTIONS
Read WARNING on
Power to fan control switch OK.
Visual inspection.
Blower operates.
REASON FOR QUESTION
AC condenser core not blocked or damaged.
Is temperature control switch
If temperature control switch
AC compressor belts OK.
temperature probe free from
temperature probe is
damage and installed
AC heater/evaporator core not blocked or
damaged or installed
damaged.
correctly in AC heater/
incorrectly, AC system will
not operate properly.
evaporator core?
POSSIBLE PROBLEMS
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AC temperature control switch temperature
probe damaged or installed incorrectly.
Heater cable faulty.
AC cable faulty.
If temperature control
Defrost cable faulty.
switch temperature
probe is damaged,
AC compressor clutch faulty.
replace temperature
NO
AC harness wire 1154 faulty.
control switch
High pressure switch faulty.
(WP 0044). Verify
repair, go to Step 27
AC harness wire 1156 faulty.
YES
of this fault.
AC harness wire 1158 faulty.
Low pressure switch faulty.
If temperature control
AC condenser motor solenoid faulty.
switch temperature
probe is installed
AC condenser motor power wire faulty.
incorrectly, reinstall
AC condenser motor ground wire faulty.
temperature control
AC condenser motor faulty.
switch temperature
probe (WP 0044).
AC condenser assembly harness black wire
Verify repair, go to
faulty.
Step 27 of this fault.
AC harness wire 1155 faulty.
AC condenser assembly harness green wire
faulty.
AC condenser motor solenoid ground wire
faulty.
Fan control switch faulty.
Wire 1156 faulty.
AC temperature control switch faulty.
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0012-8
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