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
0262-03 5 Volt Sensor DC
6. Using a digital multimeter, test for
Continuity - Engine control wiring
Supply Voltage Above Nor-
continuity between ECM harness
harness is shorted, replace engine
mal Code - Continued
connector EA-C1 (WP 0009, Fig-
control wiring harness (WP 0080).
ure 3) terminal 47 and all other
No Continuity - Proceed to step 7.
EA-C1 terminals. There should be
no continuity.
7. Using a digital multimeter, test for
Continuity - Engine control wiring
continuity between ECM harness
harness is shorted, replace engine
connector EA-C1 (WP 0009, Fig-
control wiring harness (WP 0080).
ure 3) terminal 48 and all other
No Continuity - Proceed to step 8.
EA-C1 terminals. There should be
no continuity.
8. Disconnect FA-C17 (WP 0009,
Figure 14) harness connector
from the Engine ECM J1.
9. Using a digital multimeter, test for
Continuity - Proceed to step 10.
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-C7 (WP 0009, Figure 24)
and all other FA-C17 terminals.
to intake manifold pressure sensor.
There should be no continuity.
Connect EA-C6 (WP 0009, Figure 25)
to fuel rail pressure sensor.
Connect EA-C5 (WP 0009, Figure 19)
to oil pressure sensor.
Connect FE-C6 (WP 0009, Figure 26)
to the turbocharger air inlet pressure
sensor.
10. Disconnect harness connector
FA-C18 (WP 0009, Figure 28)
from harness connector FE-C1
(WP 0009, Figure 27).
Change 1
0011-112