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
2771-04 Throttle Hold Set/
4. Using a digital multimeter, test for
Continuity - Cables from throttle hold
Accel Switch Voltage Below
continuity at the harness connec-
set/accel switch shorted, proceed to
Normal - Continued
tor R-C1 (WP 0009, Figure 33)
Step 5.
terminal 17 and terminal 48 then
No Continuity - Cab lower wiring
terminal 17 and 54. There should
harness ground connection is shorted.
be no continuity.
Replace cab lower wiring harness
(WP 0266).
Connect connector FA-C17 (WP
0009, Figure 14) to Engine ECM con-
nector J1.
Connect the control switch panel har-
ness connector A-C11 (WP 0009, Fig-
ure 41) to throttle hold set/accel
switch.
Install control switch panel (WP 0275).
5. Disconnect harness connector A-
C1 (WP 0009, Figure 31) from
harness connector R-C2 (WP
0009, Figure 32).
6. Using a digital multimeter, test for
Continuity - Control switch panel
continuity at the harness connec-
harness ground is shorted, replace
tor A-C1 (WP 0009, Figure 33)
control switch panel harness (WP
terminal 2 and terminal 7 then ter-
0265).
minal 2 and terminal 8. There
Connect harness connector P-C71
should be no continuity.
(WP 0009, Figure 18) to harness con-
nector FA-C23 (WP 0009, Figure 17).
Install rear bulkhead cover plate (WP
0266).
Connect harness connector R-C1
(WP 0009, Figure 33) to harness con-
nector P-C3 (WP 0009, Figure 34).
Connect connector FA-C17 (WP
0009, Figure 14) to Engine ECM
connector J1.
0011-199
Change 1