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
5. Disconnect the P-C23 (WP 0009,
Voltage Below Normal -
Figure 13) harness connector
Continued
from throttle position sensor.
N OT E
Wait at least 30 seconds in order for diagnostic codes to become active.
0041-04 Remains Active - Proceed
6. Using MSD (WP 0006), select
to step 11.
Engine ECM C6.6 120M, and
check if diagnostic code 0041-04
0041-04 Becomes Inactive - Pro-
goes away.
ceed to step 7.
7. Connect engine speed sensor to
EA-C4 (WP 0009, Figure 11) har-
ness connector.
0041-04 Becomes Active - Replace
8. Using MSD (WP 0006), select
engine speed sensor (WP 0110).
Engine ECM C6.6 120M, and
check if diagnostic code 0041-04
Connect P-C23 (WP 0009, Figure 13)
is active.
harness connector to throttle position
sensor.
Install pedal assembly cover (WP
0288).
Connect EA-C3 (WP 0009, Figure 12)
harness connector to secondary
engine speed sensor.
0041-04 Remains Inactive - Pro-
ceed to step 9.
9. Connect the secondary engine
speed sensor to EA-C3 (WP
0009, Figure 12) harness connec-
tor.
0041-04 Becomes Active - Replace
10. Using MSD (WP 0006), select
secondary engine speed sensor (WP
Engine ECM C6.6 120M, and
0109).
check if diagnostic code 0041-04
is active.
Connect P-C23 (WP 0009, Figure 13)
harness connector to throttle position
sensor.
Install pedal assembly cover (WP
0288).
0041-04 Remains Inactive - Replace
throttle position sensor (WP 0288).
11. Turn the ignition switch and bat-
tery disconnect switch to the OFF
position.
Change 1
0011-70
