TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
100-3 Engine Oil Pressure
15. Using digital multimeter
1. If continuity is found, replace ECM
open/short to +Batt -
(WP 0296), test for continuity
harness (WP 0105). Ensure all
Continued
between pin 24 on ECM harness
harness connectors are recon-
connector N-C1 (WP 0018,
nected. Verify correct operation of
Figure 2) and all other pins on
machine (TM 5-2410-241-10).
ECM harness connector N-C1
2. If continuity is not found, replace
(WP 0018, Figure 2).
engine ECM (WP 0101). Ensure
all harness connectors are recon-
nected. Verify correct operation of
machine (TM 5-2410-241-10).
100-4 Engine Oil Pressure
1. Connect MSD (WP 0016). Select
1. If active 100-4 code is present,
Short to Ground
3176C D7 engine ECM and check
proceed to step 2.
for Diagnostic Codes or Event
2. If no active codes are present,
Codes (WP 0013).
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. Disconnect ECM harness connec-
tor N-C3 (WP 0018, Figure 19)
from oil pressure sensor.
4. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
5. Check for Diagnostic Codes or
1. If active 100-4 code is present,
Event Codes (WP 0013).
proceed to step 6.
2. If active 100-3 code is present,
replace oil pressure sensor.
Ensure all harness connectors
are reconnected. Verify correct
operation of machine
(TM 5-2410-241-10).
6. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
7. Disconnect engine ECM connec-
tor N-C1 (WP 0018, Figure 2).
8. Using digital multimeter
1.
If continuity is found, proceed to
(WP 0296), test for continuity
step 9.
between pin A on ECM harness
2.
If continuity is not found replace
connector N-C3 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 19) and pin 2 on ECM har-
all harness connectors are recon-
ness connector N-C1 (WP 0018,
nected. Verify correct operation of
Figure 2).
machine (TM 5-2410-241-10).