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
Test Step 11.
Cold When Maximum Cooling is
1. Turn ignition switch and bat-
Selected - Continued
tery disconnect switch to OFF
position (TM 5-2410-240-10).
2. Disconnect harness connec-
tor EN-C23 (WP 0018, Figure
139) from A/C high-low pres-
sure switch (WP 0018, Figure
142).
3. Turn battery disconnect switch
and ignition switch to ON posi-
tion (TM 5-2410-240-10).
4. Using digital multimeter, mea-
Voltage Less Than Specified
sure for voltage (WP 0283)
Range - Proceed to step 5.
between harness connector
Voltage Within Specified Range
EN-C23 (WP 0018, Figure
- Proceed to step 10.
139) terminal 1 and ground.
There should be approximately 18
to 26 volts.
5. Turn ignition switch and bat-
tery disconnect switch to OFF
position (TM 5-2410-240-10).
6. Disconnect harness connec-
tor PL-C15 (WP 0018, Figure
225) from harness connector
EN-C15 (WP 0018, Figure
132).
7. Using digital multimeter, test
Continuity - Proceed to step 8.
for continuity (WP 0283)
No Continuity - Replace engine
between harness connector
wiring harness assembly (WP
EN-C15 (WP 0018, Figure
0046). Ensure all harness connec-
132) terminal 9 and EN-C23
tors are reconnected. Verify proper
(WP 0018, Figure 139) termi-
operation of machine (TM 5-2410-
nal 1.
240-10).
8. Disconnect harness connec-
tor PL-C3 (WP 0018, Figure
216) from harness connector
FP-C3 (WP 0018, Figure 168).
0021-62