9 MAINTENANCE
61
9.20 ELECTRICAL SYSTEM
____________________________________________________________
General precautions to decrease electrical problems are -
•
Make sure that all the connections are clean and correctly fastened.
•
Check the interlock system, fuses and circuit breakers at normal intervals. If the interlock system does not
operate correctly and you can not correct the problem, contact an authorized Jacobsen Dealer.
•
Keep the wiring harness away from hot surfaces and moving parts.
•
Make sure the seat switch wiring harness is connected to the mower wiring harness.
•
Check the battery and the alternator.
•
Do not wash or pressure spray around electrical connections and components.
9.20.1 CONTROLLERS __________________________________________________________
The mower’s electrical system is monitored and controlled by the controller found beneath the operator seat. The
controller has 2 light emitting diodes (LED) that can help to correct electrical system problems.
The mower engine is monitored and controlled by the engine controller found on the right side of the cowling. Two CAN
bus connectors are found near the engine controller. The four pin connector is for the Kubota Engine Controller (ECU
diagnostic connector. The three pin connector is for the mower’s controller (VCU) diagnostic connector.
CAUTION
Always turn the ignition switch to the off position and remove the negative (BLACK) battery cable before you inspect
or service the electrical system.
NOTICE
For factory help with the Mower Controller problems, give the hardware revision and software version found on the
mower’s controller. The replacement controllers with higher revision levels will be compatible.
For factory help or replacement of the Kubota Engine Controller, give the engine model and serial number found on
a plate on the engine valve cover.
!
F
A
UL
T
PO
WER
JACOBSEN
4275250
MTI500818
REV B
DATE YYWW
SOFTWARE
9572$-B
RoHS
Compliant
J1
J2
Software
Version
Hardware
Revision
Mower Controller
Engine Controller
Engine CAN Connector
Mower CAN Connector