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
0003-06 Cylinder #3 Injector
2. Remove valve cover and forward
Current Above Normal -
fuel injector harness (WP 0103)
Continued
from fuel injector #3.
3. Disconnect EA-C12 (WP 0009,
Figure 5) harness connector from
EG-C1 (WP 0009, Figure 6) at the
valve cover base.
4. Using digital multimeter, measure
Continuity - Center fuel injector
for continuity at the EG-C1 (WP
driver return circuit is shorted.
0009, Figure 6) harness connec-
Replace center fuel injector harness
tor terminal 4 and all other termi-
(WP 0103).
nals and ground. There should be
No Continuity - Fuel injector #3 is
no continuity.
faulty. Replace fuel injector #3 (WP
0075).
Connect EA-C12 (WP 0009, Figure 5)
to EG-C1 (WP 0009, Figure 6) at the
valve cover base.
0003-07 Cylinder #3 Injector
System Response:
Not Responding Properly
A warning will appear on instrument
panel. Electronic Control Module
(ECM) will log diagnostic code.
Possible Performance Effect:
Engine will be derated.
N OT E
The fuel injectors are electro-mechanical devices. High-pressure fuel is
continuously available to each injector. The engine Electronic Control
Module (ECM) determines the correct time and duration to activate
each injector.
Test Step 1. Perform Fuel System
Verification Test.
1. Perform Fuel System Verification
Injector #3 Indicates Fail - Replace
Test (WP 0035).
fuel injector #3 (WP 0075).
System Response:
0004-02 Cylinder #4 Injector
Erratic, Intermittent, or
A warning will appear on instrument
Incorrect
panel. Electronic Control Module
(ECM) will log diagnostic code.
Possible Performance Effect:
Engine will be derated while this diag-
nostic code is active.
Change 1
