TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
174-3 Fuel Temperature
3. Disconnect ECM harness connec-
Open/Short to +Batt -
tor N-C9 (WP 0018, Figure 24)
Continued
from fuel temperature sensor
(WP 0065).
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-C9 (WP
ceed to step 10.
0018, Figure 24).
6. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
7. Install jumper wire between pin 1
and pin 2 on ECM harness con-
nector N-C9 (WP 0018,
Figure 24).
8. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
9. Check for Diagnostic Codes or
1. If active 174-4 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 174-3 code is present,
proceed to step 10.
10. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
11. Remove jumper wire from ECM
harness connector N-C9
(WP 0018, Figure 24) between
pin 1 and pin 2.
12. Disconnect engine ECM connec-
tor N-C1 (WP 0018, Figure 2)
from ECM.