TM 5-3805-298-23-1
0052
Table 1. 168 Electrical System Voltage Diagnostic Codes - Continued.
052
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 9. Test Power Connection
168-2 Electrical System
at Engine Wiring Harness.
Voltage Erratic, Intermittent,
1. Turn ignition switch and battery
or Incorrect - Continued
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Cover terminals 1, 3, 4, 7, and 10
through 13 (WP 0012, Figure 44)
with rubber boots.
3. Remove right lower cab access
panels (WP 0347).
4. Disconnect connector EN-C2
(WP 0012, Figure 12) from
connector C-C18 (WP 0012,
Figure 13).
5. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
Voltage 18 to 26 V Proceed to step 7.
6. Using digital multimeter
(WP 0174), test for voltage
Voltage Less Than 18 V Replace
between EN-C2 (WP 0012,
engine wiring harness (WP 0299).
Figure 12) terminal 8 and ground.
Proceed to Test Step 11.
7. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
8. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to Test Step 10.
between connector C-C18
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 13) terminal 8
Proceed to step 9.
and terminal 14.
9. Remove engine ECM fuse from
fuse panel (TM 5-3805-298-10).
10. Using digital multimeter
Resistance 5.0 Ohms or Less
Replace lower cab wiring harness
(WP 0174), measure resistance
(WP 0291).
between terminals of engine ECM
fuse.
Proceed to Test Step 11.
Resistance Greater Than 5.0 Ohms
Replace engine ECM fuse (TM 5-3805-
298-10).
Proceed to Test Step 11.
0052-14
