TM 5-3805-296-23-2
0135
Table 1. Defrost Fan Fails To Operate Continued.
0135
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Defrost Fan Fails To Operate
12. Using digital multimeter
Continuity Install fuse F31 on circuit
Continued
(WP 0540), measure resistance
breaker panel (TM 5-3805-296-10).
between terminals of fuse F31.
Proceed to Test Step 10.
No Continuity Replace defrost fan
(WP 0473).
Install new fuse F31 on circuit breaker
panel (TM 5-3805-296-10).
Proceed to Test Step 10.
Test Step 8. Test for Shorted Fuse
Panel Wiring Harness.
1. Disconnect connector CG-C1
(WP 0012, Figure 283)
from connector W-C8
(WP 0012, Figure 282).
2. Using digital multimeter
Continuity Replace fuse panel wiring
(WP 0540), test for continuity
harness (WP 0515).
between connector CG-C1
Install new fuse F31 on circuit breaker
terminal 30 (WP 0012, Figure 283)
panel (TM 5-3805-296-10).
and all other terminals
Proceed to Test Step 10.
in connector CG-C1
No Continuity Proceed to step 3.
(WP 0012, Figure 283).
3. Using digital multimeter
Continuity Replace fuse panel wiring
(WP 0540), test for continuity
harness (WP 0515).
between connector CG-C1
Install new fuse F31 on circuit breaker
terminal 30 (WP 0012, Figure 283)
panel (TM 5-3805-296-10).
and ground.
Proceed to Test Step 10.
No Continuity Proceed to Test
Step 9.
Test Step 9. Test for Shorted Main
Cab Wiring Harness.
1. Disconnect connector W-C2
(WP 0012, Figure 224)
from connector H-C7
(WP 0012, Figure 225).
2. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C8
Install new fuse F31 on circuit breaker
terminal 30 (WP 0012, Figure 282)
panel (TM 5-3805-296-10).
and all other terminals
Proceed to Test Step 10.
in connector W-C8
No Continuity Proceed to step 3.
(WP 0012, Figure 282).
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C8
Install new fuse F31 on circuit breaker
terminal 30 (WP 0012, Figure 282)
panel (TM 5-3805-296-10).
and ground.
Proceed to Test Step 10.
No Continuity Proceed to step 4.
0135-6
