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Page Title:
AC COMPRESSOR DOES NOT SHUT OFF OR CYCLES CONSTANTLY - Continued |
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 DRAFT
TB 9-2320-279-13-1
AC COMPRESSOR DOES NOT SHUT OFF OR CYCLES CONSTANTLY - Continued
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WARNING
6.
KNOWN INFO
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Read WARNING on
TEST OPTIONS
AC heater/evaporator blower operates.
Voltage test.
AC compressor operates.
Are 22 to 28 vdc measured on
AC condenser core not blocked or damaged.
AC condenser assembly
AC compressor belts OK.
REASON FOR QUESTION
harness black wire at AC
AC temperature control switch temperature
To isolate system fault.
condenser motor solenoid?
probe OK.
AC harness wire 1156 OK.
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AC condenser assembly harness green wire
OK.
AC condenser motor solenoid ground wire
OK.
POSSIBLE PROBLEMS
AC condenser motor solenoid faulty.
Go to Step 10 of this
NO
fault.
AC condenser motor red wire faulty.
AC condenser motor ground wire faulty.
AC condenser motor faulty.
YES
AC condenser assembly harness black wire
faulty.
AC harness wire 1155 faulty.
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WARNING
7.
KNOWN INFO
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Read WARNING on
TEST OPTIONS
AC heater/evaporator blower operates.
Voltage test.
AC compressor operates.
Are 22 to 28 vdc measured on
AC condenser core not blocked or damaged.
AC condenser motor solenoid,
AC compressor belts OK.
REASON FOR QUESTION
terminal red wire, when fan
AC temperature control switch temperature
If 22 to 28 vdc are not
control switch is set to an on
probe OK.
measured, AC condenser
position and temperature
AC harness wire 1156 OK.
motor solenoid is faulty.
control switch is set to the
AC condenser assembly harness green wire
coldest temperature position?
OK.
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AC condenser motor solenoid ground wire
OK.
AC condenser assembly harness black wire
Replace AC
OK.
condenser motor
AC harness wire 1155 OK.
NO
solenoid (WP 0027).
Verify repair, go to
POSSIBLE PROBLEMS
Step 14 of this fault.
AC condenser motor solenoid faulty.
YES
AC condenser motor red wire faulty.
AC condenser motor ground wire faulty.
AC condenser motor faulty.
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0014-8
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