TM 5-3805-296-23-2
0072
Table 1. 1277 Apron Raise Proportional Solenoid Diagnostic Codes Continued.
072
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
1277-5 Apron Raise Solenoid
5. At MSD, check for active
1277-06 Apron Raise
Current Below Normal Becomes
diagnostic code 1277-6 Apron
Solenoid Current Above
Active Replace apron raise solenoid
Raise Solenoid Current Above
Normal Continued
(WP 0435).
Normal (WP 0008).
Proceed to Test Step 6.
1277-6 Apron Raise Solenoid
Current Above Normal Remains
Active Proceed to Test Step 2.
Test Step 2. Test for Shorted
Implement Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect connector F-C8
(WP 0012, Figure 146)
from connector AE-C5
(WP 0012, Figure 145).
3. 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 9 (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 9 (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 9 (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 9 (WP 0012, Figure 144)
No Continuity Proceed to Test
and ground.
Step 4.
0072-14