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
17.
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
Are 22 to 28 vdc measured on
AC compressor belts OK.
AC harness wire 1155 at AC
AC heater/evaporator core not blocked or
If 22 to 28 vdc are not
damaged.
condenser assembly
measured, AC harness
wire 1155 is faulty.
connector, terminal A?
Temperature control switch temperature
probe OK.
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Heater cable OK.
AC cable OK.
Defrost cable OK.
AC compressor clutch OK.
Repair AC harness
wire 1155 (see
AC harness wire 1154 OK.
Appendix A) or
Low pressure switch OK.
NO
replace AC wiring
High pressure switch OK.
harness (WP 0048).
Verify repair, go to
AC harness wire 1158 OK.
Step 29 of this fault.
AC harness wire 1435 OK.
YES
POSSIBLE PROBLEMS
AC harness wire 1155 faulty.
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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0012-34
