TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
590-2 Engine Control Module
16. Using a digital multimeter (WP
1. If continuity is found, replace plat-
Data Erratic, Intermit-
0296), test for continuity between
form harness (WP 0209). Ensure
tent, or Incorrect -
pin 23 on platform harness con-
all harness connectors are recon-
Continued
nector MA-C14 (WP 0018, Figure
nected. Verify correct operation of
33) and all other pins in platform
machine (TM 5-2410-241-10).
harness connector MA-C14 (WP
2. If continuity is NOT found, proceed
0018, Figure 33).
to step 16.
17. Disconnect powertrain ECM con-
nector X-C2 (WP 0018, Figure 4)
from powertrain ECM.
18. Using a digital multimeter (WP
1. If continuity is found, proceed to
0296), test for continuity between
step 18.
pin 23 on steering control harness
2. If continuity is NOT found, replace
connector X-C1 (WP 0018, Figure
steering control harness (WP
34) and pin 10 on powertrain ECM
0178). Ensure all harness connec-
connector X-C2 (WP 0018,
tors are reconnected. Verify cor-
Figure 4).
rect operation of machine (TM 5-
2410-241-10).
19. Using a digital multimeter (WP
1. If continuity is found, proceed to
0296), test for continuity between
step 19.
pin 22 on steering control harness
2. If continuity is NOT found, replace
connector X-C1 (WP 0018, Figure
steering control harness (WP
34) and pin 20 on powertrain ECM
0178). Ensure all harness connec-
connector X-C2 (WP 0018,
tors are reconnected. Verify cor-
Figure 4).
rect operation of machine (TM 5-
2410-241-10).
20. Using a digital multimeter (WP
1.
If continuity is found, replace
0296), test for continuity between
steering control harness (WP
pin 10 on powertrain ECM connec-
0178). Ensure all harness connec-
tor X-C2 (WP 0018, Figure 4) and
tors are reconnected. Verify cor-
all other pins in powertrain ECM
rect operation of machine (TM 5-
connector X-C2 (WP 0018,
2410-241-10).
Figure 4).
2.
If continuity is NOT found, proceed
to step 20.
21. Using a digital multimeter (WP
1.
If continuity is found, replace
0296), test for continuity between
steering control harness (WP
pin 20 on powertrain ECM connec-
0178). Ensure all harness connec-
tor X-C2 (WP 0018, Figure 4) and
tors are reconnected. Verify cor-
all other pins in powertrain ECM
rect operation of machine (TM 5-
connector X-C2 (WP 0018,
2410-241-10).
Figure 4).
2.
If continuity is NOT found, replace
engine ECM (WP 0101). Ensure
all harness connectors are recon-
nected. Verify correct operation of
machine (TM 5-2410-241-10).
0020-100