TM 5-3805-296-23-2
0072
Table 1. 1277 Apron Raise Proportional Solenoid Diagnostic Codes Continued.
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CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test Hitch Wiring
1277-05 Apron Raise
Harness for High Resistance or
Solenoid Current Below
Open.
Normal Continued
1. Remove jumper wire from
terminal 8 and terminal 9
of connector AE-C5
(WP 0012, Figure 145).
2. Connect jumper wire between
terminal 8 and terminal 9
of connector E-C2
(WP 0012, Figure 143).
3. Lower left frame access plate
(WP 0376).
4. Remove four bolts
(Figure 4, Item 1), washers
(Figure 4, Item 2), bushings
(Figure 4, Item 3), and splash
shield (Figure 4, Item 4) from
machine.
Figure 4. Splash Shield and Retaining Hardware.
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5. Disconnect connector E-C1
(WP 0012, Figure 140)
from connector W-C3
(WP 0012, Figure 139).
6. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 5.
between connector E-C1
Resistance Greater Than 5.0 Ohms
terminal 8 and terminal 9
Replace hitch wiring harness
(WP 0012, Figure 140).
(WP 0401).
Proceed to Test Step 6.