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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
7.
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.
If heater cable is binding or
Is heater cable free from
AC compressor belts OK.
damaged, the heater
damage and binding?
AC heater/evaporator core not blocked or
control valve may not be
damaged.
closed completely during
AC operations.
AC temperature control switch temperature
probe OK.
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AC condenser motor solenoid OK.
AC condenser motor power wire OK.
AC condenser motor ground wire OK.
AC condenser motor OK.
AC condenser assembly harness black wire
Replace heater cable
OK.
(WP 0032). Verify
NO
AC harness wire 1155 OK.
repair, go to Step 27
of this fault.
AC condenser assembly harness green wire
OK.
YES
AC condenser motor solenoid ground wire
OK.
Fan control switch OK.
Wire 1156 OK.
AC temperature control switch OK.
AC compressor clutch OK.
AC harness wire 1154 OK.
Low pressure switch OK.
AC harness wire 1156 OK.
AC harness wire 1158 OK.
High pressure switch OK.
POSSIBLE PROBLEMS
Heater cable faulty.
AC cable faulty.
Defrost cable faulty.
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0012-14
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