TM 5-3805-296-23-2
0073
Table 1. 1278 Apron Lower Proportional Solenoid Diagnostic Codes Continued.
073
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 1. Test Calibration Tool.
1278-13 Apron Lower
Status Remains Low Proceed to
Monitor Implement Pump Pressure
Solenoid Out of Calibration
Test Step 2.
Status (Figure 10, Item 1) while
Continued
Status Changes From Low to High
performing ejector solenoid calibration
(WP 0173).
Proceed to Test Step 5.
Figure 10. Implement Pump Pressure Status.
0073
Test Step 2. Test Transmission
Wiring Harness for High Resistance
or Open.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect test equipment
from connector A-C12
(WP 0012, Figure 103).
3. Connect jumper wire between
terminal B and terminal C
of connector A-C12
(WP 0012, Figure 103).
4. Disconnect connector A-C1
(WP 0012, Figure 106)
rom connector J-C3
(WP 0012, Figure 101).
5. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 3.
between connector A-C1
Resistance Greater Than 5.0 Ohms
terminal 6 and terminal 14
Replace transmission wiring harness
(WP 0012, Figure 106).
(WP 0266).
Proceed to Test Step 5.