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
2771-03 Throttle Hold Set/
3. Using a digital multimeter, test for
Continuity - (Resistance should be
Accel Switch Above Normal
continuity at the harness connec-
less than 5.0 Ohms) - Rear chassis
- Continued
tor P-C71 (WP 0009, Figure 18)
wiring harness ground connection is
terminal 20 and terminal 10.
open. Replace rear chassis wiring
There should be continuity.
harness (WP 0189).
Remove jumper wire between har-
ness connector A-C11 (WP 0009,
Figure 41) terminals 1 and 2.
Connect the control switch panel har-
ness connector A-C11 (WP 0009,
Figure 41) to throttle hold set/accel
switch.
Install control switch panel (WP 0275).
No Continuity - Cables from throttle
hold set/accel switch open, proceed to
step 4.
4. Disconnect harness connector R-
C1 (WP 0009, Figure 33) from
harness connector P-C3 (WP
0009, Figure 34).
5. Using a digital multimeter, test for
Continuity - (Resistance should be
continuity at the harness connec-
less than 5.0 Ohms) - Cab lower
tor R-C1 (WP 0009, Figure 33)
wiring harness ground connection is
terminal 17 and terminal 48.
open. Replace cab lower wiring
There should be continuity.
harness (WP 0266).
Remove jumper wire between har-
ness connector A-C11 (WP 0009, Fig-
ure 41) terminals 1 and 2.
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).
No Continuity - Cables from throttle
hold set/accel switch open, proceed to
step 6.
6. Disconnect harness connector A-
C1 (WP 0009, Figure 31) from
harness connector R-C2 (WP
0009, Figure 32).
Change 1
0011-192