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
11. Start and run machine (TM 5-
Cold When Maximum Cooling is
2410-240-10).
Selected - Continued
12. Select manual A/C mode, and
turn HVAC blower motor to
highest setting (TM 5-2410-
240-10).
13. Using digital multimeter, mea-
Voltage Less Than Specified
sure for voltage (WP 0283)
Range - Proceed to step 14.
between harness connector
Voltage Within Specified Range
EN-C10 (WP 0018, Figure
- Replace A/C clutch solenoid
127) terminal 1 and ground.
relay (WP 0150, 0156). Ensure all
There should be approximately 18
harness connectors are recon-
to 26 volts.
nected. Verify proper operation of
machine (TM 5-2410-240-10).
14. Turn ignition switch and bat-
tery disconnect switch to OFF
position (TM 5-2410-240-10).
15. Disconnect reversing fan relay
1 (WP 0018, Figure 238) from
harness connector PL-C29
(WP 0018, Figure 231).
16. Connect harness connector
PL-C26 (WP 0018, Figure
229) on reversing fan relay 1
(WP 0018, Figure 238).
17. Disconnect harness connec-
tor PL-C15 (WP 0018, Figure
225) from harness connector
EN-C15 (WP 0018, Figure
132).
18. Using digital multimeter, test
Continuity - Replace platform wir-
for continuity (WP 0283)
ing harness (WP 0150, WP 0155).
between harness connector
Ensure all harness connectors are
EN-C15 (WP 0018, Figure
reconnected. Verify proper opera-
132) terminal 10 and harness
tion of machine (TM 5-2410-240-
connector EN-C10 (WP 0018,
10).
Figure 127) terminal 1.
No Continuity - Replace engine
wiring harness assembly (WP
0046). Ensure all harness connec-
tors are reconnected. Verify proper
operation of machine (TM 5-2410-
240-10).
0021-69