DRAFT
TB 9-2320-364-13&P-1
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM
DUCTS DURING AC OPERATIONS - Continued
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START
WARNING
1.
KNOWN INFO
TEST OPTIONS
Read WARNING on
Power to fan control switch OK.
Visual inspection.
Blower operates.
REASON FOR QUESTION
Is AC condenser core free
POSSIBLE PROBLEMS
If AC condenser core is
from damage and debris?
damaged or blocked, AC
AC condenser core blocked or damaged.
system will not operate
AC compressor belts loose or damaged.
properly.
AC heater/evaporator core blocked or
damaged.
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Temperature control switch temperature
probe damaged or installed incorrectly.
Heater cable faulty.
If AC condenser core
AC cable faulty.
is damaged, recover
Defrost cable faulty.
R-134a refrigerant
AC harness wire 1435 faulty.
(WP 0053). Replace
AC condenser core
AC compressor clutch faulty.
(WP 0023) and AC
AC harness wire 1154 faulty.
condenser dryer
Low pressure switch faulty.
Evacuate and charge
AC harness wire 1156 faulty.
system (WP 0053).
High pressure switch faulty.
NO
Verify repair, go to
AC harness wire 1158 faulty.
Step 29 of this fault.
AC harness wire 1155 faulty.
If AC condenser core
YES
AC condenser assembly harness black wire
is blocked with
faulty.
debris, remove
AC condenser motor solenoid faulty.
blockage. Verify
repair, go to Step 29
AC condenser motor red wire faulty.
of this fault.
AC condenser motor ground wire faulty.
AC condenser motor faulty.
AC condenser assembly harness green wire
faulty.
AC condenser motor solenoid ground wire
faulty.
Fan control switch faulty.
Wire 1156 faulty.
Temperature control switch faulty.
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0012-2
