TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Air Conditioning Does Not Blow
25. Using digital multimeter, test
Continuity - Proceed to step 26.
Cold When Maximum Cooling is
for continuity (WP 0283)
No Continuity - Replace A/C wir-
Selected - Continued
between harness connector
ing harness (WP 0245). Ensure all
AC-C1 (WP 0018, Figure 1)
harness connectors are recon-
terminal 1 and A/C harness
nected. Verify proper operation of
connector terminal 519-PK
machine (TM 5-2410-240-10).
(WP 0018, Figure 41).
26. Disconnect harness connec-
tor C-C12 (WP 0018, Figure
22) from harness connector
PL-C1 (WP 0018, Figure 214).
27. Using digital multimeter, test
Continuity - Proceed to step 28.
for continuity (WP 0283)
No Continuity - Replace lower
between harness connector
cab wiring harness (WP 0228).
C-C12 (WP 0018, Figure 22)
Ensure all harness connectors are
terminal 63 and harness con-
reconnected. Verify proper opera-
nector C-C44 (WP 0018, Fig-
tion of machine (TM 5-2410-240-
ure 33) terminal 1.
10).
28. Disconnect harness connec-
tor PL-C15 (WP 0018, Figure
225) from harness connector
EN-C15 (WP 0018, Figure
132).
29. Using digital multimeter, test
Continuity - Replace engine wir-
for continuity (WP 0283)
ing harness assembly (WP 0046).
between harness connector
Ensure all harness connectors are
PL-C15 (WP 0018, Figure
reconnected. Verify proper opera-
225) terminal 26 and harness
tion of machine (TM 5-2410-240-
connector PL-C1 (WP 0018,
10).
Figure 214) terminal 63.
No Continuity - Replace platform
wiring harness (WP 0150, WP
0155). Ensure all harness connec-
tors are reconnected. Verify proper
operation of machine (TM 5-2410-
240-10).
30. Turn ignition switch and bat-
tery disconnect switch to OFF
position (TM 5-2410-240-10).
31. Disconnect A/C harness con-
nector terminal C509-WH
(WP 0018, Figure 41) from
A/C thermostatic switch
(WP 0018, Figure 48).
0021-65