TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
100-3 Engine Oil Pressure
6. Using a digital multimeter
1. If 4.5-5.5 Volts is found, proceed
open/short to +Batt -
(WP 0296), measure for voltage
to step 7.
Continued
between pin A and pin B on ECM
2. If 4.5-5.5 Volts is not found, pro-
harness connector N-C3
ceed to step 9.
(WP 0018, Figure 19).
7. Install jumper wire between pin B
and pin C on ECM harness con-
nector N-C3
(WP 0018, Figure 19).
8. Check for Diagnostic Codes or
1. If active 100-4 code is present,
Event Codes (WP 0013).
replace oil pressure sensor.
Ensure all harness connectors
are reconnected. Verify correct
operation of machine (TM 5-2410-
241-10).
2. If active 100-3 code is present,
proceed to step 9.
9. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
10. Disconnect engine ECM connec-
tor N-C1 (WP 0018, Figure 2).
11. Remove jumper wire from ECM
harness connector N-C3
(WP 0018, Figure 19) between
pin B and pin C.
12. Using a digital multimeter
1.
If continuity is found, proceed to
(WP 0296), test for continuity
step 13.
between pin A on ECM harness
2.
If continuity is not found, replace
connector N-C3 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 19) and pin 2 on ECM har-
all harness connectors are recon-
ness connector N-C1 (WP 0018,
nected. Verify correct operation of
Figure 2).
machine (TM 5-2410-241-10).
13. Using digital multimeter
1.
If continuity is found, proceed to
(WP 0296), test for continuity
step 14.
between pin B on ECM harness
2.
If continuity is not found, replace
connector N-C3 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 19) and pin 3 on ECM har-
all harness connectors are recon-
ness connector N-C1 (WP 0018,
nected. Verify correct operation of
Figure 2).
machine (TM 5-2410-241-10).
14. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 15.
between pin C on ECM harness
2. If continuity is not found, replace
connector N-C3 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 19) and pin 24 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).