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
0190-08 Engine Speed Sen-
10. Using a digital multimeter, test for
Continuity - Engine control wiring
sor Abnormal Frequency,
continuity between Engine ECM
harness is open, replace engine
Pulse Width, or Period -
harness connector EA-C1 (WP
control wiring harness (WP 0080).
Continued
0009, Figure 3) terminal 53, and
No Continuity - Replace secondary
all other terminals, and ground.
engine speed sensor (WP 0109) then
There should be no continuity.
proceed to step 11.
11. Attempt to start the engine.
Engine should start and run.
12. Using MSD (WP 0006), select
0190-08 Diagnostic Code Active-
Engine ECM C6.6 120M, and
ECM faulty, replace Engine ECM (WP
check if diagnostic code 0190-08
0067).
is active.
0190-08 Diagnostic Code Not
Active - Repair complete.
Connect Engine ECM harness con-
nector EA-C1 (WP 0009, Figure 3) to
Engine ECM J2.
Test Step 2. Test 8-Volt Supply Cir-
cuit.
1. Turn the ignition switch and
battery disconnect switch to the
OFF position.
2. Disconnect Engine ECM harness
connector EA-C1 (WP 0009, Fig-
ure 3) from Engine ECM J2.
3. Using a digital multimeter, test for
Continuity - (Resistance should be
continuity between EA-C3 (WP
less than 5.0 Ohms) - ECM faulty,
0009, Figure 12) harness connec-
replace engine ECM (WP 0067).
tor terminal 1, and Engine ECM
Connect EA-C3 (WP 0009, Figure 12)
harness connector EA-C1 (WP
harness connector to the secondary
0009, Figure 3) terminal 10.
engine speed sensor.
There should be good continuity.
No Continuity - Engine control wiring
harness is open, replace engine
control wiring harness (WP 0080).
0253-02 Personality Module
System Response:
Erratic, Intermittent, or
The flash file in the ECM is
Incorrect
from the wrong engine family.
A warning will display on instru-
ment panel. Diagnostic code
will not be logged.
Factory passwords are
required to clear this diagnostic
code.
Possible Performance Effect:
Engine will not start.
Change 1