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
0168-01 Electrical System
3. Perform Battery Test and Battery
Battery or Batteries Failed -
Voltage Low - Continued
Charging (WP 0041).
Recharge or replace battery as
required (WP 0041).
Batteries Passed - Proceed to
step 4.
4. Perform Battery Cable and Alter-
Cable or Connection Bad - Tighten
nator Cable Test (WP 0042).
connection or replace cable.
Cables Good - Proceed to step 5.
5. Disconnect Engine ECM harness
connector FA-C17 (WP 0009, Fig-
ure 14) from the Engine ECM J1.
6. Turn the battery disconnect
switch to the ON position.
7. Using a digital multimeter, mea-
All Test Points Less than 18 Volts
sure the following battery voltage
DC - Proceed to Test Step 3.
supply circuits for 18-24 Volts DC
One or More Test Points Less than
between the Engine ECM har-
18 Volts DC - Proceed to step 8.
ness connector FA-C17 (WP
Voltage within 18 - 24 Volt DC
0009, Figure 14) and ground:
Range- Proceed to Test Step 2.
a. Engine ECM harness
connector FA-C17 (WP 0009,
Figure 14) terminal 7 and
ground.
b. Engine ECM harness connec-
tor FA-C17 (WP 0009, Figure
14) terminal 8 and ground.
c.
Engine ECM harness connec-
tor FA-C17 (WP 0009, Figure
14) terminal 15 and ground.
d. Engine ECM harness connec-
tor FA-C17 (WP 0009, Figure
14) terminal 16 and ground.
8. Turn the battery disconnect
switch to the OFF position.
9. Disconnect the circuit breaker box
(twice-told) harness connector
FA-C41 (WP 0009, Figure 21).
0011-93
Change 1