TM 5-3805-296-23-2
0071
Table 1. 1276 Bowl Down Proportional Solenoid Diagnostic Codes Continued.
071
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
1276-03 Bowl Down Solenoid 3. Disconnect connector E-C1
(WP 0012, Figure 140)
Voltage Above Normal
from connector W-C3
Continued
(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 7 (WP 0012, Figure 143)
No Continuity Proceed to Test
and all other terminals
Step 4.
in connector E-C2
(WP 0012, Figure 143).
Test Step 4. Test for Shorted Main
Cab Wiring Harness.
1. Disconnect connector W-C13
(WP 0012, Figure 89) from
transmission/chassis ECM.
2. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C3
Proceed to Test Step 5.
terminal 7 (WP 0012, Figure 139)
No Continuity Proceed to step 4.
and all other terminals
in connector W-C3
(WP 0012, Figure 139).
4. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C13
Proceed to Test Step 5.
terminal 65 (WP 0012, Figure 89)
No Continuity Proceed to step 5.
and all other terminals
in connector W-C13
(WP 0012, Figure 89).
5. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C13
Proceed to Test Step 5.
terminal 65 (WP 0012, Figure 89)
No Continuity Replace transmission/
and all terminals in connector
chassis ECM (WP 0495).
W-C12 (WP 0012, Figure 88).
Proceed to Test Step 5.
0071-7