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Page Title:
AC HEATER/EVAPORATOR BLOWER OPERATES BUT NO COLD AIR FROM DUCTS DURING AC OPERATIONS - continued |
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 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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28.
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING on
Power to fan control switch OK.
Continuity test.
Blower operates.
AC condenser core not blocked or damaged.
REASON FOR QUESTION
Is continuity measured
AC compressor belts OK.
across temperature control
AC heater/evaporator core not blocked or
If continuity is measured, AC
damaged.
switch when switch is set to
harness wire 1156 is
faulty. If not, temperature
the coldest position?
Temperature control switch temperature
control switch is faulty.
probe OK.
Heater cable OK.
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AC cable OK.
Defrost cable OK.
AC compressor clutch OK.
Replace temperature
AC harness wire 1154 OK.
control switch
NO
Low pressure switch OK.
(WP 0044). Verify
repair, go to Step 29
High pressure switch OK.
of this fault.
AC harness wire 1158 OK.
AC harness wire 1435 OK.
YES
AC harness wire 1155 OK.
AC condenser assembly harness black wire
OK.
Repair AC harness wire
1156 (see Appendix A) or
AC condenser motor solenoid OK.
replace AC wiring harness
AC condenser motor red wire OK.
(WP 0048). Verify repair, go
AC condenser motor ground wire OK.
to Step 29 of this fault.
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.
POSSIBLE PROBLEMS
Temperature control switch faulty.
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AC harness wire 1156 faulty.
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0012-56
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