TM 5-2420-231-23-1
0031
Table 1. Heating, Ventilation, and A/C (HVAC) Blower Motor Does Not
Operate at One or More Speeds - Continued.
031
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect side console wiring
HVAC Blower Motor Does
harness connector (Figure 8,
Not Operate at One or More
Item 1) (WP 0007, Figure 145)
Speeds - Continued
from blower fan switch (Figure 8,
Item 3) (WP 0007, Figure 144),
and remove nut (Figure 8, Item 2)
and blower fan switch (Figure 8,
Item 3) from machine.
Figure 8. Blower Fan Switch and Side Console Wiring Harness Connector.
0031
3. Using a digital multimeter, test for
Continuity - Proceed to Test Step 11.
continuity between side console
No Continuity - Proceed to step 4.
wiring harness connector (WP
0007, Figure 145) 12-volt supply
circuit terminal and machine
ground. There should be no conti-
nuity.
4. Using a digital multimeter, test for
Continuity - Proceed to Test Step 13.
continuity between side console
No Continuity - Proceed to Test Step
wiring harness connector (WP
12.
0007, Figure 145) A/C compressor
12-volt supply terminal and
machine ground. There should be
no continuity.