TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
273-3 Turbo Outlet Pressure
11. Using digital multimeter
1. If continuity is found, proceed to
Open/Short to +Batt -
(WP 0296), test for continuity
step 12.
Continued
between pin C on air inlet mani-
2. If continuity is not found, replace
fold pressure sensor connector/
ECM harness (WP 0105). Ensure
turbocharger outlet pressure sen-
all harness connectors are recon-
sor connector N-C5 (WP 0018,
nected. Verify correct operation of
Figure 36) and pin 40 on engine
machine (TM 5-2410-241-10).
ECM connector N-C1 (WP 0018,
Figure 2).
12. Using digital multimeter
1. If continuity is found, replace ECM
(WP 0296), test for continuity
harness (WP 0105). Ensure all
between pin 40 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).
273-4 Turbo Outlet Pressure
1. If active 273-4 code is present,
1. Connect MSD (WP 0016). Select
Short to Ground
proceed to step 2.
3176C D7 engine ECM and check
2. If no active codes are present,
for Diagnostic Codes or Event
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 air inlet manifold pres-
sure sensor connector/turbo-
charger outlet pressure sensor
connector N-C5 (WP 0018, Figure
36) from air inlet manifold pres-
sure sensor.
4. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
5. Check for Diagnostic Codes or
1. If active 273-3 code is present,
Event Codes (WP 0013).
replace air inlet manifold pressure
sensor (WP 0092). Ensure all har-
ness connectors are reconnected.
Verify correct operation of
machine (TM 5-2410-241-10).
2. If active 273-4 code is present,
proceed to step 6.
6. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).