TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
274-4 Atmospheric Pres-
10. Using digital multimeter
1. If continuity is found, replace ECM
sure Short to Ground -
(WP 0296), test for continuity
harness (WP 0105). Ensure all
Continued
between pin 14 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).
275-3 Turbo Inlet Pressure
1. Connect MSD (WP 0016). Select
1. If active 275-3 code is present,
Open/Short to +Batt
3176C D7 engine ECM and test
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 turbocharger inlet
pressure sensor connector V-C20
(WP 0018, Figure 37) from turbo
charger inlet pressure sensor.
4. Install jumper wire between pin B
and pin C on turbocharger inlet
pressure sensor connector V-C20
(WP 0018, Figure 37).
5. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
6. Check for Diagnostic Codes or
1. If active 275-4 code is present,
Event Codes (WP 0013).
replace turbocharger inlet pres-
sure sensor (WP 0066). Ensure
all harness connectors are recon-
nected. Verify correct operation of
machine (TM 5-2410-241-10).
2. If active 275-3 code is present,
proceed to step 7.
7. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
8. Remove jumper wire from turbo-
charger inlet pressure sensor
connector V-C20 (WP 0018,
Figure 37) between pin B and
pin C.
