TB 9-2320-360-13&P-1
A/C DOES NOT OPERATE - CONTINUED.
4.
KNOWN INFO
WARNING
Read WARNING on
Power to 24 vdc magnetic switch
page 0015 00-7.
(R22) OK.
ACC circuit to 24 vdc magnetic
Is continuity measured on
switch (R22) OK.
wire RED #4 from 24 vdc
A/C switch harness wire RED #2
magnetic switch (R22) to A/C
OK.
TEST OPTIONS
A/C switch harness wire RED #3
relay?
Continuity test.
OK.
A/C circuit breaker OK.
A/C control switch OK.
REASON FOR QUESTION
A/C switch harness orange wire
OK.
RED #4 is faulty.
POSSIBLE PROBLEMS
Repair wire RED #4
A/C switch harness wire RED #4
faulty.
NO
Fig j). Verify repair,
A/C relay faulty.
go to Step 8 of this
A/C switch harness black wire
fault.
faulty.
YES
5.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING on
Power to 24 vdc magnetic switch
Continuity test.
page 0015 00-7.
(R22) OK.
ACC circuit to 24 vdc magnetic
REASON FOR QUESTION
switch (R22) OK.
Is continuity measured on
A/C switch harness wire RED #2
black wire from A/C relay to
relay ground is faulty. If there is
OK.
ground?
continuity, A/C relay is faulty.
A/C switch harness wire RED #3
OK.
A/C circuit breaker OK.
A/C control switch OK.
A/C switch harness orange wire
OK.
A/C switch harness wire RED #4
Repair black wire
OK.
Fig j). Verify repair,
POSSIBLE PROBLEMS
NO
go to Step 8 of this
A/C relay faulty.
fault.
A/C switch harness black wire
faulty.
YES
Replace A/C relay
Verify repair, go to
Step 8 of this fault.
0015 00-6