TM 5-3805-293-23-1
0011
Table 2. Engine Troubleshooting with Codes for the 120M Motor Grader - Continued.
CDI FMI CODE
ERROR/EVENT
CORRECTIVE ACTION
0262-04 5 Volt Sensor DC
3. Using a digital multimeter, test for
Continuity - Engine control wiring
Supply Voltage Below Nor-
continuity between the following
harness is shorted, replace engine
mal Code - Continued
5-volt supply circuits:
control wiring harness (WP 0080).
a. Engine ECM harness
Connect FE-C6 (WP 0009, Figure 26)
connector EA-C1 (WP 0009,
to the turbocharger inlet air pressure
Figure 3) terminal 46 and all
sensor.
other EA-C1 terminals. There
No Continuity - Proceed to step 4.
should be no continuity.
b. Engine ECM harness connec-
tor EA-C1 (WP 0009, Figure
3) terminal 47 and all other
EA-C1 terminals. There
should be no continuity.
c.
Engine ECM harness connec-
tor EA-C1 (WP 0009, Figure
3) terminal 48 and all other
EA-C1 terminals. There
should be no continuity.
4. Disconnect FA-C17 (WP 0009,
Figure 14) harness connector
from the Engine ECM J1.
5. Using a digital multimeter, test for
Continuity - Proceed to step 6.
continuity between the Engine
No Continuity - ECM faulty, replace
ECM harness connector FA-C17
Engine ECM (WP 0067).
(WP 0009, Figure 14) terminal 42
Connect EA-C6 (WP 0009, Figure 25)
and all other FA-C17 terminals.
to fuel rail pressure sensor.
There should be no continuity.
Connect EA-C5 (WP 0009, Figure 19)
to engine oil pressure sensor.
Connect FE-C6 (WP 0009, Figure 26)
to the turbocharger inlet air pressure
sensor.
Connect EA-C7 (WP 0009, Figure 24)
to intake manifold pressure sensor.
6. Disconnect harness connector
FA-C18 (WP 0009, Figure 28)
from harness connector FE-C1
(WP 0009, Figure 27).
0011-117
Change 1