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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WARNING
3.
KNOWN INFO
Read WARNING on
Power to fan control switch OK.
Blower operates.
TEST OPTIONS
AC condenser core not blocked or damaged.
Visual inspection.
AC compressor belts OK.
Is AC heater/evaporator core
free from damage and debris?
REASON FOR QUESTION
POSSIBLE PROBLEMS
If AC heater/evaporator core
AC heater/evaporator core blocked or
is damaged or blocked,
damaged.
AC system will not operate
Temperature control switch temperature
properly.
probe damaged or installed incorrectly.
Heater cable faulty.
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If AC heater/
AC cable faulty.
evaporator core is
Defrost cable faulty.
damaged, recover
AC harness wire 1435 faulty.
R-134a refrigerant
(WP 0053). Replace
AC compressor clutch faulty.
AC heater/evaporator
AC harness wire 1154 faulty.
core (WP 0030) and
Low pressure switch faulty.
AC condenser dryer
(WP 0024). Evacuate
AC harness wire 1156 faulty.
and charge system
High pressure switch faulty.
NO
(WP 0053). Verify
AC harness wire 1158 faulty.
repair, go to Step 29
of this fault.
AC harness wire 1155 faulty.
YES
AC condenser assembly harness black wire
If AC heater/
faulty.
evaporator core is
AC condenser motor solenoid faulty.
blocked with debris,
remove blockage.
AC condenser motor red wire faulty.
Verify repair, go to
AC condenser motor ground wire faulty.
Step 29 of this fault.
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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0012-6
