TM 5-3805-296-23-2
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Table 1. 1277 Apron Raise Proportional Solenoid Diagnostic Codes Continued.
072
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
DIAGNOSTIC CODE SET CONDITION
1277-05 Apron Raise
Transmission/Chassis ECM Detects Below Normal Current on Apron Raise
Solenoid Current Below
Normal Continued
Solenoid Circuit R771.
POSSIBLE CAUSE
Implement Wiring Harness High Resistance or Open.
Draft Frame and Bowl Side Wiring Harness High Resistance or Open.
Hitch Wiring Harness High Resistance or Open.
Main Cab Wiring Harness High Resistance or Open.
Apron Raise Solenoid.
Transmission/Chassis ECM.
Test Step 1. Test for Open Apron
Raise Solenoid.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Remove four bolts
(Figure 3, Item 2), washers
(Figure 3, Item 1), and front cover
(Figure 3, Item 3) from machine.
Figure 3. Front Cover.
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