New Holland CX720 Repair Manual page 1941

6. Use a multimeter to check for continuity between connector X290 pin B (harness side) and chassis ground.
Flex the engine (EN) harness between the fuel solenoid and engine ground 5 while making this check.
A. If there is no continuity to ground, there is an open circuit in the engine (EN) harness between connector
X290 pin B and the engine ground 5 wire 838 black. Locate the open and repair.
B. If there is continuity to ground, continue with step 7.
7. Turn the key switch to the ON position. Use the Infoview monitor - Dealer Diagnostics screen to manually power
the fuel solenoid. Use a multimeter to check for 12 volts between connector X290 pin A and chassis ground.
A. If 12 volts is not present, continue with step 8.
B. If 12 volts is found, continue with step 9.
8. Turn the key switch to the ON position. Use the Infoview monitor - Dealer Diagnostics screen to manually power
the fuel solenoid. Use a multimeter to check for 12 volts between connector X010 pin 16 and chassis ground.
A. If 12 volts is present, the open circuit is in the engine (EN) harness between connector X290 pin A and
connector X010 pin 16 wire 571 white. Locate the open circuit and repair.
B. If 12 volts is not present there is an open circuit in the main frame (MF) harness between connector X010
pin 16 and connector X016 pin J2-13 wire 571 white. Locate the open and repair.
9. Erase the fault code and continue operation.
A.
POWER PRODUCTION - FUEL AND INJECTION SYSTEM
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