TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
100-4 Engine Oil Pressure
9. Using digital multimeter
1. If continuity is found, proceed to
Short to Ground -
(WP 0296), test for continuity
step 10.
Continued
between pin B on ECM harness
2. If continuity is not found, replace
connector N-C3 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 19) and pin 3 on ECM
all harness connectors are recon-
harness connector N-C1
nected. Verify correct operation of
(WP 0018,Figure 2).
machine (TM 5-2410-241-10).
10. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 11.
between pin C on ECM harness
2. If continuity is not found, replace
connector N-C3 (WP 0018, Figure
ECM harness (WP 0105). Ensure
19) and pin 24 on ECM harness
all harness connectors are recon-
connector N-C1 (WP 0018,
nected. Verify correct operation of
Figure 2).
machine (TM 5-2410-241-10).
11. Using digital multimeter
1. If continuity is found, replace ECM
(WP 0296), test for continuity
harness (WP 0105). Ensure all
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).
110-3 Engine Coolant Tem-
1. Connect MSD (WP 0016). Select
1. If active 110-3 code is present,
perature open/short to
3176C D7 engine ECM and check
proceed to step 2.
+Batt
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-C11 (WP 0018, Figure 20)
from coolant temperature sensor.
4. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
5. Using digital multimeter
1. If 4.5-5.5 Volts is found, proceed
(WP 0296), measure for voltage
to step 6.
between pin 1 and pin 2 on ECM
2. If 4.5-5.5 Volts is not found, pro-
harness connector N-C11
ceed to step 8.
(WP 0018, Figure 20).
6. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
0019-41