TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Condenser Fan(s) Do Not Oper-
18. Using digital multimeter, mea-
Resistance Within Range - Pro-
ate When the A/C Switch is acti-
sure resistance (WP 0283)
ceed to step 19.
vated Continued
Resistance Not Within Range -
(WP 0018, Figure 248) termi-
Replace relay (WP 0202). Ensure
nals 85 and 86.
all harness connectors are recon-
There should be between 288 and
nected. Verify proper operation of
396 ohms.
machine (TM 5-2410-240-10).
19. Turn ignition switch and bat-
tery disconnect switch to OFF
position (TM 5-2410-240-10).
20. Using digital multimeter, test
No Continuity - Replace con-
for continuity (WP 0283)
denser harness (WP 0202).
between T-C2 (WP 0018, Fig-
Ensure all harness connectors are
ure 243) terminal 1 and har-
reconnected. Verify proper opera-
ness connector T-C3 (WP
tion of machine (TM 5-2410-240-
0018, Figure 244) terminal 4.
10).
Continuity - Proceed to step 21.
21. Using digital multimeter, test
No Continuity - Replace con-
for continuity (WP 0283)
denser harness (WP 0202).
between T-C4 (WP 0018, Fig-
Ensure all harness connectors are
ure 245) terminal 1 and har-
reconnected. Verify proper opera-
ness connector T-C5 (WP
tion of machine (TM 5-2410-240-
0018, Figure 246) terminal 4.
10).
Continuity - Proceed to step 22.
22. Disconnect harness connec-
tor T-C1 (WP 0018, Figure
242) from HL-C46 (WP 0018,
Figure 185).
23. Using digital multimeter, test
No Continuity - Replace con-
for continuity (WP 0283)
denser harness (WP 0202).
between T-C1 (WP 0018, Fig-
Ensure all harness connectors are
ure 242) terminal 5 and har-
reconnected. Verify proper opera-
ness connector T-C3 (WP
tion of machine (TM 5-2410-240-
0018, Figure 244) terminal 2.
10).
Continuity - Proceed to step 24.
24. Using digital multimeter, test
No Continuity - Replace con-
for continuity (WP 0283)
denser harness (WP 0202).
between T-C1 (WP 0018, Fig-
Ensure all harness connectors are
ure 242) terminal 5 and har-
reconnected. Verify proper opera-
ness connector T-C5 (WP
tion of machine (TM 5-2410-240-
0018, Figure 246) terminal 2.
10).
Continuity - Proceed to step 25.
0021-74