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
0041-04 8 Volt DC Supply
12. Disconnect Engine ECM harness
Voltage Below Normal -
connector EA-C1 (WP 0009, Fig-
Continued
ure 3) from Engine ECM J2.
13. Using a digital multimeter, test for
Continuity - Engine control wiring
continuity between Engine ECM
harness is shorted. Replace engine
harness connector EA-C1 (WP
control wiring harness (WP 0080).
0009, Figure 3) terminal 10 and
Connect P-C23 (WP 0009, Figure 13)
all other terminals on EA-C1, and
harness connector to throttle position
ground.
sensor.
Install pedal assembly cover (WP
0288).
No Continuity - Proceed to step 14.
14. Using a digital multimeter, test for
Continuity - Proceed to step 15.
continuity between Engine ECM
No Continuity - ECM faulty, replace
harness connector FA-C17 (WP
Engine ECM (WP 0067).
0009, Figure 14) terminal 43 and
Connect P-C23 (WP 0009, Figure 13)
all other terminals on FA-C17, and
harness connector to throttle position
ground.
sensor.
Install pedal assembly cover (WP
0288).
Connect EA-C4 (WP 0009, Figure 11)
harness connector to engine speed
sensor.
Connect EA-C3 (WP 0009, Figure 12)
harness connector to secondary
engine speed sensor.
N OT E
Harness connector is located behind cab bulkhead cover on right rear
of cab.
15. Remove rear bulkhead cover
plate (WP 0266) from connector
FA-C35 (WP 0009, Figure 15).
16. Disconnect F-C35 (WP 0009,
Figure 15) harness connector
from P-C70 (WP 0009, Figure 16)
harness connector.
17. Disconnect Engine ECM harness
connector FA-C17 (WP 0009, Fig-
ure 14) harness connector from
Engine ECM (J1).
0011-71
Change 1