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
0001-05 Cylinder #1 Injector
10. Using digital multimeter, test for
Continuity - Resistance less than
Current Below Normal -
continuity at Engine ECM harness
5.0 Ohms) - ECM faulty, replace
Continued
connector EA-C1 (WP 0009, Fig-
engine ECM (WP 0067).
ure 3) between terminal 35 and
Remove jumper wire from EA-C11
terminal 57.
(WP 0009, Figure 1) between terminal
3 and terminal 4
Connect EA-C11 (WP 0009, Figure 1)
to EF-C1 (WP 0009, Figure 2) at the
valve cover base.
No Continuity - Proceed to step 11.
11. Remove jumper wire from EA-C11
(WP 0009, Figure 1) harness con-
nector terminal 3 and terminal 4.
12. Using a multimeter, test for conti-
Continuity - Resistance less than 5.0
nuity between EA-C1 (WP 0009,
Ohms) - Proceed to step 13.
Figure 3) terminal 57 and EA-C11
No Continuity - Engine control wiring
(WP 0009, Figure 1) terminal 4.
harness is open. Replace engine
control wiring harness (WP 0080).
13. Using a multimeter, test for conti-
No Continuity - Engine control wiring
nuity between EA-C1 (WP 0009,
harness is open. Replace engine con-
Figure 3) terminal 35 and EA-C11
trol wiring harness (WP 0080).
(WP 0009, Figure 1) terminal 3.
Test Step 3. Test Forward Fuel
Injector Harness.
1. Turn the ignition and battery dis-
connect switch to the OFF posi-
tion.
2. Remove jumper wire from EA-C11
(WP 0009, Figure 1) harness con-
nector terminal 3 and terminal 4.
3. Remove valve cover and discon-
nect fuel injector harness (WP
0103) from fuel injector #1.
4. Install a jumper wire at fuel injec-
tor #1 between terminal 4 and ter-
minal 3 (WP 0009, Figure 4) of
forward fuel injector harness.
Change 1
0011-24
