TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
110-3 Engine Coolant Tem-
15. Using digital multimeter
1. If continuity is found replace ECM
perature open/short to
(WP 0296), test for continuity
harness (WP 0105). Ensure all
+Batt - Continued
between pin 32 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).
110-4 Engine Coolant Tem-
1. Connect MSD (WP 0016). Select
1. If active 110-4 code is present,
perature Short to
3176C D7 engine ECM and check
proceed to step 2.
Ground
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. Check for Diagnostic Codes or
1. If active 110-3 code is present,
Event Codes (WP 0013).
replace coolant temperature sen-
sor (WP 0064). Ensure all har-
ness connectors are reconnected.
Verify correct operation of
machine (TM 5-2410-241-10).
2. If active 110-4 code is present,
proceed to step 5.
5. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
6. Disconnect engine ECM connec-
tor N-C1 (WP 0018, Figure 2)
from ECM.
7. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 8.
between pin 1 on ECM harness
2. If continuity is not found, replace
connector N-C11 (WP 0018
ECM harness (WP 0105). Ensure
Figure 20) and pin 32 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).