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
0549-02 Throttle Lock
7. Using MSD (WP 0006):
Switch Data Erratic, Intermit-
a. Select Engine ECM C6.6
tent, or Incorrect - Contin-
120M.
ued
b. Select the Throttle Lock Sta-
tus group.
c.
Observe the Throttle Lock
Switch Value on right side of
screen and record results.
d. Check if diagnostic code
0549-02 is active and record
results.
e. Select manual position on
throttle lock switch.
f.
Observe the Throttle Lock
Switch Value on right side of
screen and record results.
g. Check if diagnostic code
0549-02 is active and record
results.
h. Select automatic position on
throttle lock switch.
i.
Observe the Throttle Lock
Switch Value on right side of
screen and record results.
j.
Check if diagnostic code
0549-02 is active and record
results.
N OT E
Compare results to table below, then proceed to Test
Step as indicated in table.
Change 1
0011-130