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 5. Test Connection at Main
168-2 Electrical System
Fuse.
Voltage Erratic, Intermittent,
1. Remove left engine access panel
or Incorrect - Continued
(WP 0350).
2. Pull back rubber boots covering
terminals 1, 3, 4, 7, and 10 through
13 (WP 0012, Figure 44).
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
4. Using digital multimeter
Voltage 18 to 26 V Proceed to Test
Step 6.
(WP 0174), test for voltage
between main fuse right terminal 3
Voltage Less Than 18 V Proceed to
(WP 0012, Figure 44) and ground.
step 5.
5. Inspect connection of main fuse
Dirty, Corroded, or Loose Clean and
right terminal 3 (WP 0012,
tighten as necessary.
Figure 44) for dirt, corrosion, and
Proceed to step 6.
loose connections.
No Problem Found Replace engine
wiring harness (WP 0299).
Proceed to Test Step 11.
6. Using digital multimeter
Voltage 18 to 26 V Proceed to Test
(WP 0174), test for voltage
Step 11.
between main fuse right terminal 3
Voltage Less Than 18 V Replace
(WP 0012, Figure 44) and ground.
engine wiring harness (WP 0299).
Proceed to Test Step 11.
Test Step 6. Test Power Connection
at Fuse Module 2.
1. Using digital multimeter
Voltage 18 to 26 V Proceed to Test
(WP 0174), test for voltage
Step 7.
between fuse module 2 terminal 4
Voltage Less Than 18 V Proceed to
(WP 0012, Figure 44) and ground.
step 2.
2. Inspect connection of fuse module
Dirty, Corroded, or Loose Clean and
2 terminal 4 (WP 0012, Figure 44)
tighten as necessary.
for dirt, corrosion, and loose
Proceed to step 3.
connections.
No Problem Found Replace cable to
fuse module 2 (WP 0263).
Proceed to Test Step 11.
3. Using digital multimeter
Voltage 18 to 26 V Proceed to Test
(WP 0174), test for voltage
Step 11.
between fuse module 2 terminal 4
Voltage Less Than 18 V Replace
(WP 0012, Figure 44) and ground.
cable to fuse module 2 (WP 0263).
Proceed to Test Step 11.
0052-12