TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
174-3 Fuel Temperature
13. Using digital multimeter
1. If continuity is found, proceed to
Open/Short to +Batt -
(WP 0296), test for continuity
step 14.
Continued
between pin 1 on ECM harness
2. If continuity is not found, replace
connector N-C9 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 24) and pin 33 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).
14. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 15.
between pin 2 on ECM harness
2. If continuity is not found, replace
connector N-C9 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 24) and pin 18 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).
15. Using digital multimeter
1. If continuity is found, replace ECM
(WP 0296), test for continuity
harness (WP 0105). Ensure all
between pin 33 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).
174-4 Fuel Temperature
1. Connect MSD (WP 0016). Select
1. If active 172-4 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-C9 (WP 0018, Figure 24)
from fuel temperature sensor
(WP 0065).
4. Check for Diagnostic Codes or
1. If active 174-3 code is present,
Event Codes (WP 0013).
replace fuel temperature sensor
(WP 0065). Ensure all harness
connectors are reconnected. Ver-
ify correct operation of machine
(TM 5-2410-241-10).
2. If active 174-4 code is present,
proceed to step 5.
5. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).