New Holland WorkMaster 50 Service Manual page 773

Use a multimeter to perform the following resistance check:
From
X-9007 pin 1
A. If the value is in the specified range, see Fuel injection system - Troubleshooting (10.218) to diagnose the
fuel injection system.
B. If the value is not in the specified range, the Y-9000 has failed internally. Replace the Y-9000 then refer to
Pressure regulating valve - Configure (10.218) if necessary, to perform the Replacement of the Rail Pressure
Metering Unit - Reset ECU Data.
5. Visually inspect the relevant harnesses and connectors for damage, bent or dislocated pins, corroded terminals,
or broken wires. Verify that the connectors are fully installed. Flex the harnesses involved to reveal intermittent
breaks or shorts in the wiring concerned. Operate the machine while you monitor the display.
A. If you find damage or the display indicates other than normal display readings, then repair the damage discov-
ered during the inspection or locate and repair the other than normal display condition and verify that the error
has been resolved.
B. If you do not find damage and the display indicates only normal readings, then erase the fault code and continue
operation.
Wiring harnesses - Electrical schematic sheet 03 (55.100)
Electrical systems - FAULT CODES
To
X-9007 pin 2
47866583_ 02/12/2015
55.12 [55.DTC] / 52
Value
There should be between 2.8 - 3.2 Ω
(2.8 - 3.2 Ω).