TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1404-3 Transmission Sole-
1. Connect MSD (WP 0016), select
1. If active 1404-3 code is present,
noid Valve #4 Voltage
Powertrain D7 ECM, and check for
proceed to step 2.
Above Normal
Diagnostic Codes (WP 0013).
2. If no active codes are present, the
problem does NOT exist at this
time. Resume normal operation.
2. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
3. Remove left platform access panel
(WP 0207).
4. Disconnect steering control har-
ness connector X-C1 (WP 0018,
Figure 34) from platform harness
connector MA-C14 (WP 0018,
Figure 33).
5. Disconnect powertrain ECM con-
nector X-C3 (WP 0018, Figure 3)
from powertrain ECM.
6. Disconnect powertrain ECM con-
nector X-C2 (WP 0018, Figure 4)
from powertrain ECM.
7. Using a digital multimeter (WP
1.
If continuity is found, proceed to
0296), test for continuity between
step 8.
pin 49 on powertrain ECM connec- 2.
If continuity is NOT found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
pin 25 on steering control harness
0178). Ensure all harness connec-
connector X-C1 (WP 0018,
tors are reconnected. Verify cor-
Figure 34).
rect operation of machine (TM 5-
2410-241-10).
8. Using a digital multimeter (WP
1.
If continuity is NOT found, proceed
0296), test for continuity between
to step 9.
pin 49 on powertrain ECM connec- 2.
If continuity is found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
all other pins in 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).
9. Using a digital multimeter (WP
1.
If continuity is NOT found, proceed
0296), test for continuity between
to step 10.
pin 49 on powertrain ECM connec- 2.
If continuity is found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
all other pins in powertrain ECM
0178). Ensure all harness connec-
connector X-C3 (WP 0018,
tors are reconnected. Verify cor-
Figure 3).
rect operation of machine (TM 5-
2410-241-10).