TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. HVAC Blower Motor Does Not
21. Disconnect harness connec-
Function in One or More Speeds
tor C-C43 (WP 0018,
- Continued
Figure 32) from HVAC control
panel (WP 0217).
22. 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-C43 (WP 0018, Figure 32)
reconnected. Verify proper opera-
terminal 3 and harness con-
tion of machine (TM 5-2410-240-
nector C-C72 (WP 0018, Fig-
10).
ure 43) terminal 5.
Continuity - Proceed to step 23.
23. Disconnect harness connec-
tor C-C40 (WP 0018, Figure
30) from FP-C5 (WP 0018,
Figure 170).
24. 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 13 and harness con-
tion of machine (TM 5-2410-240-
nector C-C72 (WP 0018, Fig-
10).
ure 43) terminal 1.
Continuity - Replace HVAC con-
trol panel (WP 0217). Ensure all
harness connectors are recon-
nected. Verify proper operation of
machine (TM 5-2410-240-10).
0021-27
