TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
190-2 Loss of Engine Speed
4. Using digital multimeter
1.
If resistance of 75 - 230 Ohms is
Signal - Continued
(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 ECM harness
2. If continuity is not found, replace
connector N-C13 (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 digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 8.
between pin 2 on ECM harness
2. If continuity is not found, replace
connector N-C13 (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).
8. Using digital multimeter
1. If continuity is found, replace ECM
(WP 0296), test for continuity
harness (WP 0105). Ensure all
between pin 49 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, pro-
(WP 0018, Figure 2).
ceed to step 9.
9. Using digital multimeter
1. If continuity is found, replace ECM
(WP 0296), test for continuity
harness (WP 0105). Ensure all
between pin 48 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).