TB 9-2320-302-13&P-3
A/C TROUBLESHOOTING PROCEDURES - CONTINUED
0013 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
A/C ELECTRICAL SYSTEM - CONTINUED
(b) Check continuity between blue
1. If continuity is not indicated,
2.
A/C System Energized But
wire terminal on A/C fan switch
repair or replace blue wire.
Evaporator Assembly Does Not
and blue wire terminal on speed
Function - Continued.
2. If continuity is indicated, replace
resistor connector.
speed resistor.
(c) Return equipment to normal
condition.
7. Verify A/C fan switch high speed setting.
(a) Turn ignition key switch to the OFF
position (TM 9-2320-363-10).
(b) Set A/C fan switch to the OFF
position (WP 0004 00).
(c) Remove A/C fan switch connector
from A/C fan switch inside
evaporator assembly (WP 0017
(d) Set A/C fan switch to HI (WP 0004
(e) Check continuity between contact
1. If continuity is not indicated,
"B" and contact "H" on A/C fan
replace selector switch (WP 0017
switch.
2. If continuity is indicated, proceed
to next step.
(f) Return equipment to normal
condition.
8. Verify blower high speed circuit to speed
resistor.
(a) Remove A/C fan switch connector
from A/C fan switch inside
evaporator assembly (WP 0017
(b) Check continuity between orange
1. If continuity is not indicated,
wire terminal on A/C fan switch
repair or replace orange wire.
and orange wire terminal on speed
2. If continuity is indicated, replace
resistor connector.
speed resistor.
(c) Return equipment to normal
condition.
9. Verify ground to blower motor.
(a) Turn ignition key switch to the OFF
position (TM 9-2320-363-10).
0013 00-9
