TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
190-11 Engine Speed Sensor
1. Connect MSD (WP 0016). Select
1. If active 190-11 code is present,
Mechanical Failure
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).
CAU T I ON
Do not disconnect connector from crankshaft sensor. Failure to follow
this caution could cause equipment damage.
3. Disconnect crankshaft position
connector NC-13 (WP 0018
Figure 27) from crankshaft posi-
tion sensor pigtail connector
(WP 0018, Figure 28) (WP 0094).
4. Using digital multimeter
1.
If resistance of 75 - 230 Ohms is
(WP 0296), measure resistance
found, proceed to step 5.
between pin 1 and pin 2 on crank- 2.
If resistance of 75 - 230 Ohms is
shaft position sensor connector
not found, replace crankshaft
(WP 0018, Figure 28).
position sensor (WP 0094).
Ensure all harness connectors
are reconnected. Verify correct
operation of machine (TM 5-2410-
241-10).
5. Disconnect engine ECM connec-
tor N-C1 (WP 0018, Figure 2)
from ECM.
6. Using digital multimeter
1.
If continuity is found, proceed to
(WP 0296), test for continuity
step 7.
between pin 1 on crankshaft posi- 2.
If continuity is not found, replace
tion connector NC-13 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 27) and pin 49 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).
7. Using a digital multimeter
1.
If continuity is found, proceed to
(WP 0296), test for continuity
step 8.
between pin 2 on crankshaft posi- 2.
If continuity is not found, replace
tion connector NC-13 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 27) and pin 48 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).