TM 5-2410-241-23-1
0019
Table 2. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
172-3 Intake Manifold Air
11. Disconnect intake manifold air
Temp Open/Short to
temperature jumper connector
+Batt - Continued
NC-C1 (WP 0018, Figure 26) from
ECM harness connector N-C10
(WP 0018, Figure 23).
12. Using a digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 13.
between pin 1 on intake manifold
2. If continuity is not found, replace
air temperature jumper connector
ECM harness (WP 0105). Ensure
NC-C1 (WP 0018, Figure 26) and
all harness connectors are recon-
pin 1 on intake manifold air tem-
nected. Verify correct operation of
perature jumper connector NC-C2
machine (TM 5-2410-241-10).
(WP 0018, Figure 25).
13. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 14.
between pin 2 on intake manifold
2. If continuity is not found, replace
air temperature jumper connector
ECM harness (WP 0105). Ensure
NC-C1 (WP 0018, Figure 26) and
all harness connectors are recon-
pin 2 on intake manifold air tem-
nected. Verify correct operation of
perature jumper connector NC-C2
machine (TM 5-2410-241-10).
(WP 0018, Figure 25).
14. Disconnect engine ECM connec-
tor N-C1 (WP 0018, Figure 2)
from ECM.
15. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 16.
between pin 1 on ECM harness
2. If continuity is not found, replace
connector N-C10 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 23) and pin 35 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).
16. Using digital multimeter
1. If continuity is found, proceed to
(WP 0296), test for continuity
step 17.
between pin 2 on ECM harness
2. If continuity is not found, replace
connector N-C10 (WP 0018,
ECM harness (WP 0105). Ensure
Figure 23) and pin 18 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).