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
2. Using digital multimeter
1278-03 Apron Lower
Continuity Replace draft frame and
(WP 0540), test for continuity
Solenoid Voltage Above
bowl side wiring harness (WP 0348).
between connector AE-C1
Normal Continued
Proceed to Test Step 5.
terminal 10 (WP 0012, Figure 144)
No Continuity Proceed to Test
and all other terminals
Step 3.
in connector AE-C1
(WP 0012, Figure 144).
Test Step 3. Test for Shorted Hitch
Wiring Harness.
1. Lower left frame access plate
(WP 0376).
2. Remove four bolts
(Figure 3, Item 1), washers
(Figure 3, Item 2), bushings
(Figure 3, Item 3), and splash
shield (Figure 3, Item 4) from
machine.
Figure 3. Splash Shield and Retaining Hardware.
0073
3. Disconnect connector E-C1
(WP 0012, Figure 140)
from connector W-C3
(WP 0012, Figure 139).
4. Using digital multimeter
Continuity Replace hitch wiring
(WP 0540), test for continuity
harness (WP 0401).
between connector E-C2
Proceed to Test Step 5.
terminal 10 (WP 0012, Figure 143)
No Continuity Proceed to Test
and all other terminals
Step 4.
in connector E-C2
(WP 0012, Figure 143).
