TM 5-3805-296-23-1
0054
Table 1. 0144 Backup Alarm Diagnostic Code Continued.
054
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 2. Test for Shorted Fuse
0144-03 Backup Alarm Relay
Panel Wiring Harness.
Voltage Above Normal
1. Turn ignition switch and battery
Continued
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Install flood enable relay on flood
enable relay connector on fuse
panel (Figure 1). Do not install
backup alarm relay at this time.
3. Disconnect connector CG-C1
(WP 0012, Figure 283) from
connector W-C8 (WP 0012,
Figure 282).
4. Using digital multimeter
Continuity Replace fuse panel wiring
(WP 0540), test for continuity
harness (WP 0515).
between connector CG-C1
Proceed to Test Step 4.
terminal 20 (WP 0012, Figure 283)
No Continuity Proceed to Test
and all other terminals in
Step 3.
connector CG-C1 (WP 0012,
Figure 283).
Test Step 3. Test for Shorted Main
Cab Wiring Harness.
1. Disconnect connector W-C13
(WP 0012, Figure 89) from
transmission/chassis ECM.
2. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C8
Proceed to Test Step 4.
terminal 20 (WP 0012, Figure 282)
No Continuity Proceed to step 4.
and all other terminals
in connector W-C8
(WP 0012, Figure 282).
4. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C13
Proceed to Test Step 4.
terminal 16 (WP 0012, Figure 89)
No Continuity Proceed to step 5.
and all other terminals
in connector W-C13
(WP 0012, Figure 89).
0054-4
