TM 5-3805-296-23-2
0073
Table 1. 1278 Apron Lower Proportional Solenoid Diagnostic Codes Continued.
073
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using digital multimeter
1278-06 Apron Lower
Continuity Replace implement wiring
(WP 0540), test for continuity
Solenoid Current Above
harness (WP 0349).
between connector F-C8
Normal Continued
Proceed to Test Step 6.
terminal 10 (WP 0012, Figure 146)
No Continuity Proceed to step 4.
and all other terminals
in connector F-C8
(WP 0012, Figure 146).
4. Using digital multimeter
Continuity Replace implement wiring
(WP 0540), test for continuity
harness (WP 0349).
between connector F-C8
Proceed to Test Step 6.
terminal 10 (WP 0012, Figure 146)
No Continuity Proceed to Test
and ground.
Step 3.
Test Step 3. Test for Shorted Draft
Frame and Bowl Side Wiring
Harness.
1. Disconnect connector AE-C1
(WP 0012, Figure 144)
from connector E-C2
(WP 0012, Figure 143).
2. Using digital multimeter
Continuity Replace draft frame and
(WP 0540), test for continuity
bowl side wiring harness (WP 0348).
between connector AE-C1
Proceed to Test Step 6.
terminal 10 (WP 0012, Figure 144)
No Continuity Proceed to step 3.
and all other terminals
in connector AE-C1
(WP 0012, Figure 144).
3. Using digital multimeter
Continuity Replace draft frame and
(WP 0540), test for continuity
bowl side wiring harness (WP 0348).
between connector AE-C1
Proceed to Test Step 6.
terminal 10 (WP 0012, Figure 144)
No Continuity Proceed to Test
and ground.
Step 4.
0073-17
