TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Little or No Warm Air Flow When
13. Using digital multimeter, test
No Continuity - Proceed to
for continuity (WP 0283)
Heater Control Knob is Set for
step 14.
between harness connector
Maximum Heating Continued
Continuity - Replace lower cab
C-C16 (WP 0018, Figure 24)
wiring harness (WP 0228). Ensure
terminal 6 and all other termi-
all harness connectors are recon-
nals in harness connector C-
nected. Verify proper operation of
C16 (WP 0018, Figure 24).
machine (TM 5-2410-240-10).
14. Disconnect harness connec-
tor C-C40 (WP 0018, Figure
30) from harness connector
FP-C5 (WP 0018, Figure 170).
15. Using digital multimeter, test
No Continuity - Replace lower
for continuity (WP 0283)
cab wiring harness (WP 0228).
between harness connector
Ensure all harness connectors are
C-C40 (WP 0018, Figure 30)
reconnected. Verify proper opera-
terminal 18 and harness con-
tion of machine (TM 5-2410-240-
nector C-C16 (WP 0018, Fig-
10).
ure 24) terminal 2.
Continuity - Proceed to step 16.
16. Using digital multimeter, test
No Continuity - Proceed to step
for continuity (WP 0283)
17.
between harness connector
Continuity - Replace lower cab
C-C40 (WP 0018, Figure 30)
wiring harness (WP 0228). Ensure
terminal 18 and all other termi-
all harness connectors are recon-
nals in harness connector C-
nected. Verify proper operation of
C40 (WP 0018, Figure 30).
machine (TM 5-2410-240-10).
17. Using digital multimeter, test
No Continuity - Replace platform
for continuity (WP 0283)
harness (WP 0150, WP 0155).
between harness connector
Ensure all harness connectors are
PL-C1 (WP 0018, Figure 214)
reconnected. Verify proper opera-
terminal 1 and PL-C5 (WP
tion of machine (TM 5-2410-240-
0018, Figure 218) terminal 21.
10).
Continuity - Proceed to step 18.
18. Using digital multimeter, test
No Continuity - Proceed to
for continuity (WP 0283)
step 19.
between harness connector
Continuity - Replace platform har-
PL-C5 (WP 0018, Figure 218)
ness (WP 0150, WP 0155).
terminal 21 and all other termi-
Ensure all harness connectors are
nals in harness connector PL-
reconnected. Verify proper opera-
C5 (WP 0018, Figure 218).
tion of machine (TM 5-2410-240-
10).
0021-7