AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM DUCTS DURING AC OPERATIONS - continued

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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29.

WARNING

KNOWN INFO

Read WARNING on

Power to fan control switch OK.

page 0012-59/

Blower operates.

(0012-60 blank).

TEST OPTIONS

AC condenser core not blocked or damaged.

AC compressor belts OK.

Verify repair.

Does AC system provide cold

AC heater/evaporator core not blocked or

REASON FOR QUESTION

air through ducts?

damaged.

If AC system does not

Temperature control switch temperature

provide cold air, fault has

probe OK.

not been corrected.

Heater cable OK.

AC cable OK.

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Defrost cable OK.

AC harness wire 1435 OK.

AC compressor clutch OK.

Fault not corrected,

AC harness wire 1154 OK.

notify Supervisor.

Low pressure switch OK.

AC harness wire 1156 OK.

High pressure switch OK.

YES

AC harness wire 1158 OK.

AC harness wire 1155 OK.

AC condenser assembly harness black wire

OK.

Fault corrected.

AC condenser motor solenoid OK.

AC condenser motor red wire OK.

AC condenser motor ground wire OK.

AC condenser motor OK.

AC condenser assembly harness green wire

OK.

AC condenser motor solenoid ground wire

OK.

Fan control switch OK.

Wire 1156 OK.

Temperature control switch OK.

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POSSIBLE PROBLEMS

None

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0012-58