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
18.
KNOWN INFO
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Read WARNING on
TEST OPTIONS
Power to fan control switch OK.
Blower operates.
Voltage test.
AC condenser core not blocked or damaged.
Are 22 to 28 vdc measured on
AC compressor belts OK.
REASON FOR QUESTION
AC harness wire 1156 at AC
AC heater/evaporator core not blocked or
To isolate system fault.
damaged.
condenser assembly
connector, terminal B when
Temperature control switch temperature
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probe OK.
fan control switch is set to an
Heater cable OK.
on position and temperature
control switch is set to the
AC cable OK.
coldest temperature position?
Defrost cable OK.
AC compressor clutch OK.
AC harness wire 1154 OK.
Low pressure switch OK.
High pressure switch OK.
AC harness wire 1158 OK.
Go to Step 26 of this
NO
AC harness wire 1435 OK.
fault.
AC harness wire 1155 OK.
POSSIBLE PROBLEMS
YES
AC condenser assembly harness black wire
faulty.
AC condenser motor solenoid faulty.
AC condenser motor red wire faulty.
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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AC harness wire 1156 faulty.
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0012-36