TM 5-3805-296-23-2
0073
Table 1. 1278 Apron Lower Proportional Solenoid Diagnostic Codes Continued.
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CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test for Shorted Hitch
1278-06 Apron Lower
Wiring Harness.
Solenoid Current Above
1. Lower left frame access plate
Normal Continued
(WP 0376).
2. Remove four bolts
(Figure 9, Item 1), washers
(Figure 9, Item 2), bushings
(Figure 9, Item 3), and splash
shield (Figure 9, Item 4) from
machine.
Figure 9. Splash Shield and Retaining Hardware.
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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 terminal
Proceed to Test Step 6.
10 (WP 0012, Figure 143) and all
No Continuity Proceed to step 5.
other terminals in connector E-C2
(WP 0012, Figure 143).
5. Using digital multimeter
Continuity Replace hitch wiring
(WP 0540), test for continuity
harness (WP 0401).
between connector E-C2
Proceed to Test Step 6.
terminal 10 (WP 0012, Figure 143)
No Continuity Proceed to Test
and ground.
Step 5.