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
20.
KNOWN INFO
TEST OPTIONS
Read WARNING on
Power to fan control switch OK.
Voltage test.
Blower operates.
AC condenser core not blocked or damaged.
REASON FOR QUESTION
AC compressor belts OK.
Are 22 to 28 vdc measured on
AC heater/evaporator core not blocked or
If 22 to 28 vdc are not
AC condenser assembly
damaged.
measured, AC condenser
harness black wire at AC
assembly harness black
Temperature control switch temperature
condenser motor solenoid?
wire is faulty.
probe OK.
Heater cable OK.
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AC cable OK.
Defrost cable OK.
AC compressor clutch OK.
AC harness wire 1154 OK.
Repair AC
condenser assembly
Low pressure switch OK.
NO
harness black wire
High pressure switch OK.
(see Appendix A).
AC harness wire 1158 OK.
Verify repair, go to
Step 29 of this fault.
AC harness wire 1435 OK.
YES
AC harness wire 1155 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.
AC harness wire 1156 OK.
POSSIBLE PROBLEMS
AC condenser assembly harness black wire
faulty.
AC condenser motor solenoid faulty.
AC condenser motor red wire faulty.
AC condenser motor ground wire faulty.
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AC condenser motor faulty.
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0012-40
