New Holland WorkMaster 50 Service Manual page 1014

From
X-9113 pin 1
A. If there is continuity, the short to chassis ground condition is in the glow plug circuit in the vehicle harness (VE).
Use the appropriate service manual, if necessary, to locate and repair the grounded conductor.
B. If there is no continuity, continue with Step 6.
5. Replace the glow plug control module Z-9101, then use EST to check to see that this fault has been resolved.
A. If the fault has been resolved, return the machine to service.
B. If the fault has not been resolved, check the ECU A-9000 for the appropriate software and re-flash, if necessary.
6. 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 01 – Power distribution and glow plugs (engine schematics)
(55.100.DP-C.20.E.01)
Electrical systems - FAULT CODES
To
chassis ground
47866583_ 02/12/2015
55.12 [55.DTC] / 293
Result
There should be no continuity.