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
16. Using digital multimeter, test
No Continuity - Proceed to
Function in One or More Speeds
for continuity (WP 0283)
step 17.
- Continued
between A/C compressor con-
Continuity - Replace A/C com-
nector EN-C10 (WP 0018, Fig-
pressor (WP 0092). Ensure all har-
ure 127) terminal 2 and cab
ness connectors are reconnected.
ground.
Verify proper operation of machine
(TM 5-2410-240-10).
17. Using digital multimeter, test
No Continuity - Proceed to
for continuity (WP 0283)
step 18.
between harness connector
Continuity - Replace engine
EN-C11 (WP 0018, Figure
wiring harness (WP 0046). Ensure
128) terminal 1 and harness
all harness connectors are
connector EN-C15 (WP 0018,
reconnected. Verify proper
Figure 132) terminal 10.
operation of machine (TM 5-2410-
240-10).
18. Using digital multimeter, test
No Continuity - Proceed to
for continuity (WP 0283)
step 19.
between harness connector
Continuity - Replace engine
EN-C11 (WP 0018, Figure
wiring harness (WP 0046). Ensure
128) terminal 1 and cab
all harness connectors are
ground.
reconnected. Verify proper
operation of machine (TM 5-2410-
240-10).
19. Using digital multimeter, test
No Continuity - Replace engine
for continuity (WP 0283)
wiring harness (WP 0046). Ensure
between harness connector
all harness connectors are recon-
EN-C11 (WP 0018, Figure
nected. Verify proper operation of
128) terminal 2 and cab
machine (TM 5-2410-240-10).
ground.
Continuity - Ensure all harness
connectors are reconnected.
Repeat troubleshooting from the
beginning.
Test Step 10.
1. Turn ignition switch and bat-
tery disconnect switch to OFF
position (TM 5-2410-240-10).
2. Reconnect harness connector
C-C40 (WP 0018, Figure 30)
from FP-C5 (WP 0018, Figure
170).
3. Disconnect harness connec-
tor C-C43 (WP 0018, Figure
32) from HVAC control panel
(WP 0217).
0021-50
