TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
190-11 Engine Speed Sensor
8. Using digital multimeter
1. If continuity is found, replace ECM
Mechanical Failure -
(WP 0296), test for continuity
harness (WP 0105). Ensure all
Continued
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, 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 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).
247-9 J1939 Data Link Com-
1. Connect MSD (WP 0016). Select
1. If active 247-9 code is present,
munications
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).
3. Disconnect engine ECM connec-
tor V-C4 (WP 0018, Figure 1)
from ECM.
4. Disconnect platform harness
(platform to engine) connector
MA-C22 (WP 0018, Figure 11)
from engine harness (engine to
platform) connector V-C1 (WP
0018, Figure 12) (WP 0055).
5. Disconnect resistor Can/Data link
(WP 0018, Figure 30) from engine
ECM resistor Can/ Data link V-
C12 (WP 0018, Figure 29).
6. Using digital multimeter
1.
If resistance of 108 - 132 Ohms is
(WP 0296), measure resistance
found, proceed to step 7.
between pin A and pin B on resis- 2.
If resistance of 108 - 132 Ohms is
tor Can/Data link (WP 0018,
not found, replace Can/Data link
Figure 30).
resistor. Ensure all harness con-
nectors are reconnected. Verify
correct operation of machine
(TM 5-2410-241-10).
0019-60