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
0168-02 Electrical System
3. Disconnect Engine ECM harness
Voltage Erratic, Intermittent,
connector FA-C17 (WP 0009, Fig-
or Incorrect - Continued
ure 14) from the Engine ECM J2.
4. Turn the battery disconnect
switch to the ON position.
5. 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 6.
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.
6. Turn the battery disconnect
switch to the OFF position.
7. Disconnect the circuit breaker box
(twistlock) harness connector FA-
C41 (WP 0009, Figure 21).
Change 1
0011-98