TB 9-2320-360-13&P-1
A/C BLOWER DOES NOT OPERATE (LOW, MEDIUM, AND/OR HIGH) - CONTINUED.
KNOWN INFO
14.
WARNING
A/C switch harness control switch
Read WARNING on
page 0016 00-17.
connector OK.
A/C evaporator harness orange
Are 22 to 28 vdc measured on
wire OK.
A/C switch harness orange wire
orange wire from A/C relay, at
OK.
A/C control switch?
TEST OPTIONS
A/C evaporator harness yellow
Voltage Test.
wire OK.
A/C switch harness yellow wire
OK.
REASON FOR QUESTION
A/C control switch OK.
If 22 to 28 vdc are not measured,
A/C switch harness wire RED #1
input voltage is faulty.
OK.
A/C blower resistor OK.
Go to work package
A/C evaporator harness wire RED
NO
WP 0015 00 (A/C
#1 OK.
does not operate)
POSSIBLE PROBLEMS
Power to A/C control switch faulty.
YES
A/C switch harness black wire
faulty.
A/C blower black wire faulty.
A/C blower faulty.
A/C blower orange wire faulty.
KNOWN INFO
TEST OPTIONS
15.
WARNING
A/C switch harness control switch
Continuity Test.
Read WARNING on
page 0016 00-17.
connector OK.
A/C evaporator harness orange
REASON FOR QUESTION
wire OK.
Is continuity measured on
If continuity is not measured, A/C
A/C switch harness orange wire
black wire from A/C
switch harness black wire is
OK.
evaporator connection to 24
faulty.
A/C evaporator harness yellow
vdc magnetic switch (R22)?
wire OK.
A/C switch harness yellow wire
OK.
A/C control switch OK.
A/C switch harness wire RED #1
OK.
A/C blower resistor OK.
Repair A/C switch
A/C evaporator harness wire RED
harness black wire (See
#1 OK.
NO
WP 0057 00, Fig j) or
Power to A/C control switch OK.
notify DS Maintenance.
POSSIBLE PROBLEMS
Verify repair, go to Step
18 of this fault.
A/C switch harness black wire
YES
faulty.
A/C blower black wire faulty.
A/C blower faulty.
A/C blower orange wire faulty.
0016 00-16