TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
91-2 Incorrect Throttle
47. Using digital multimeter
1. If continuity is found, proceed to
Switch Inputs -
(WP 0296), test for continuity
step 48.
Continued
between pin 16 on engine har-
2. If continuity is not found, replace
ness connector V-C1
engine harness (WP 0055).
(WP 0018, Figure 12) and pin 41
Ensure all harness connectors
on engine ECM connector V-C4
are reconnected. Verify correct
(WP 0018, Figure 1).
operation of machine (TM 5-2410-
241-10).
48. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 49.
between pin 10 on engine har-
2. If continuity is not found, replace
ness connector V-C1
engine harness (WP 0055).
(WP 0018, Figure 12) and pin 61,
Ensure all harness connectors
63, and 65 on engine ECM con-
are reconnected. Verify correct
nector V-C4 (WP 0018, Figure 1).
operation of machine
(TM 5-2410-241-10).
49. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 50.
between pin 10 on engine har-
2. If continuity is not found, replace
ness connector V-C1 (WP 0018,
engine harness (WP 0055).
Figure 12) and pin 63 on engine
Ensure all harness connectors
ECM connector V-C4
are reconnected. Verify correct
(WP 0018, Figure 1).
operation of machine
(TM 5-2410-241-10).
50. Using digital multimeter
1. If continuity is not found, replace
(WP 0296), test for continuity
engine harness (WP 0055).
between pin 10 on engine har-
Ensure all harness connectors
ness connector V-C1 (WP 0018,
are reconnected. Verify correct
Figure 12) and pin 65 on engine
operation of machine
ECM connector V-C4 (WP 0018,
(TM 5-2410-241-10).
Figure 1).
100-3 Engine Oil Pressure
1. Connect MSD (WP 0016). Select
1. If active 100-3 code is present,
Open/Short to +Batt
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. Remove engine enclosure left
door guard (WP 0202).
4. Disconnect ECM harness connec-
tor N-C3 (WP 0018, Figure 19)
from oil pressure sensor.
5. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
0019-38