TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
273-3 Turbo Outlet Pressure
3. Disconnect air inlet manifold pres-
Open/Short to +Batt -
sure sensor connector/turbo-
Continued
charger outlet pressure sensor
connector N-C5 (WP 0018,
Figure 36) from air inlet manifold
pressure sensor.
4. Install jumper wire between pin B
and pin C on air inlet manifold
pressure sensor connector/turbo-
charger outlet pressure sensor
connector N-C5 (WP 0018,
Figure 36).
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 273-4 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 273-3 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 Air inlet
manifold pressure sensor connec-
tor/turbocharger outlet pressure
sensor connector N-C5
(WP 0018, Figure 36) between
pin B and pin C.
9. Disconnect engine ECM connec-
tor N-C1 (WP 0018, Figure 2).
10. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 11.
between pin B 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 3 on engine
machine (TM 5-2410-241-10).
ECM connector N-C1 (WP 0018,
Figure 2).