TM 5-3805-296-23-2
0133
Table 1. A/C Does Not Blow Cold When Maximum Cool Setting Is Selected Continued.
0133
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Using digital multimeter
A/C Does Not Blow Cold
Resistance 1.0 Ohm or Less
(WP 0540), measure resistance
When Maximum Cool
Proceed to Test Step 21.
between A/C inlet pressure switch
Setting Is Selected
Resistance Greater Than 1.0 Ohm
Continued
connector terminal 1 and
Replace A/C inlet pressure switch
terminal 2 (WP 0012, Figure 48).
(WP 0213).
Proceed to Test Step 29.
Test Step 21. Test A/C Protection
Module Output.
1. Connect connector CL-C6
(WP 0012, Figure 49) to A/C inlet
pressure switch connector
(WP 0012, Figure 48).
2. Connect connector CL-C5
(WP 0012, Figure 47) to A/C outlet
pressure switch connector
(WP 0012, Figure 46).
3. Connect connector CL-C7
(WP 0012, Figure 51) to A/C
protection module connector
(WP 0012, Figure 50).
4. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
5. Turn fan speed switch to
position IIII and set heat A/C
switch to A/C position
(TM 5-3805-296-10).
6. Using digital multimeter
Voltage 18 to 28 V Proceed to step 7.
(WP 0540), test for voltage
Voltage Less Than 18 V Replace
between connector CL-C8
A/C protection module (WP 0214).
terminal 1 (WP 0012, Figure 53)
Proceed to Test Step 29.
and ground.
7. Using digital multimeter
Voltage 18 to 28 V Replace A/C
(WP 0540), test for voltage
compressor (WP 0247).
between connector CL-C8
Proceed to Test Step 29.
terminal 1 and terminal 2
Voltage Less Than 18 V Replace
(WP 0012, Figure 53).
engine interface wiring harness
(WP 0211).
Proceed to Test Step 29.
0133-11
