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
0001-06 Cylinder #1 Injector
4. At the MSD check if all three diag- 0004-05, 0005-05, and 0006-05
Current Above Normal -
nostic codes 0004-05, 0005-05,
Diagnostic Codes are Active -
Continued
and 0006-05 are active.
Replace the Engine ECM (WP 0067).
0001-06 Only Active - Proceed to
Test Step 2.
Test Step 2. Isolate Problem with
Engine Control Wiring Harness.
1. Turn ignition switch to the OFF
position.
2. Disconnect EA-C11 (WP 0009,
Figure 1) harness connector from
EF-C1 (WP 0009, Figure 2) at the
valve cover base.
3. Turn ignition switch to the ON
position.
N OT E
Wait at least 30 seconds in order fordiagnostic codes to become active.
Other fuel injector diagnostic codes may also set; ignore those codes
during this procedure.
4. Start engine or attempt to start
0001-05 Becomes Active - ECM and
engine.
harness are OK, proceed to Test
Step 3.
5. At the MSD check that diagnostic
0001-06 Remains Active - Proceed
code 0001-05 is active.
to step 6.
6. Turn OFF the ignition and battery
disconnect switch.
7. Disconnect ECM harness connec-
tor EA-C1 (WP 0009, Figure 3)
from Engine ECM J2.
8. Using digital multimeter, test for
Continuity - Engine control wiring
continuity at the Engine ECM har-
harness is shorted. Replace engine
ness connector EA-C1 (WP 0009,
control wiring harness (WP 0080).
Figure 3) terminal 57 and all other
No Continuity - ECM is faulty,
terminals and ground. There
replace engine ECM (WP 0067).
should be no continuity.
Connect EA-C11 (WP 0009, Figure 1)
harness connector to EF-C1 (WP
0009, Figure 2) at the valve cover
base.
Test Step 3. Test Forward Fuel
Injector Harness.
1. Turn OFF the ignition and battery
disconnect switch.
0011-27
Change 1