12.54
ELECTRICAL
CONTROLLER AREA NETWORK (CAN)
Overview
This vehicle uses a Controller Area Network (CAN) to perform
some functions. Similar to a computer network, CAN
establishes a communication network between the ECU and
several on-board components.
The Sportsman XP 850 CAN network includes:
•ECU
• Instrument Cluster
• Digital Wrench Diagnostic Plug
• Electronic Power Steering (EPS models only)
NOTE: DO NOT SPLICE OR CUT INTO THE CAN
YELLOW OR GREEN WIRE CIRCUITS.
CAN Troubleshooting
No CAN functionality can be indicated by the following items
not working on the instrument cluster:
• No engine speed displayed
• No vehicle speed displayed
• No gear position displayed
• Odometer / Tripmeters not working
• Reverse override button does not toggle between
display modes
• ECU-monitored inputs are not displayed when DTCs or
problems exist, i.e. check engine LED, engine overheat
LED, etc.
• There is power at the Smart Link connector, but it
cannot connect to Digital Wrench
To test the CAN circuit, turn the ignition key to OFF, and then
use a multimeter to verify there is 60 +/- 10 ohms between the
CAN High (YELLOW) and CAN Low (GREEN) wires on the
diagnostic connector.
If 120 ohms is measured at the connector, there is a break
somewhere within the CAN circuit.
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