TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
342-2 Loss of Secondary
4. Using digital multimeter
1. If resistance of 600 - 1800 Ohms
Engine Speed Signal -
(WP 0296), measure resistance
is found proceed to step 5.
Continued
between pin 1 and pin 2 on cam-
2. If resistance of 600 - 1800 Ohms
shaft position sensor (WP 0018,
is not found, replace camshaft
Figure 42).
position speed sensor (WP 0093).
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 camshaft posi-
2. If continuity is not found, replace
tion connector N-C14 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 41) and pin 59 on engine
all harness connectors are recon-
ECM connector N-C1 (WP 0018,
nected. Verify correct operation of
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 camshaft posi-
2. If continuity is not found, replace
tion connector N-C14 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 41) and pin 58 on engine
all harness connectors are recon-
ECM connector N-C1 (WP 0018,
nected. Verify correct operation of
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 59 on engine ECM
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).
engine ECM connector N-C1
2. If continuity is not found, proceed
(WP 0018, Figure 2).
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 58 on engine ECM
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).
engine ECM 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).
