Service Manual

Table Of Contents
TestingtheSteeringMotor(continued)
g293903
Figure66
5.48Vsystemvoltageshouldbepresentatthesteeringmotorcontrollerlogic
circuitLogicVoltage.
Ifappears,thecontrollerisnotcommunicatingontheCANbus.
Voltagemustbepresentatthecontrollerlogiccircuitbeforecommunication
canoccurontheCANbus.
Ifvoltageisnotpresentatthelogiccircuit,thelogiccircuitisdamaged.The
circuitwiringshouldbecheckedforcorrosionordamageandcleanedor
repairedasnecessary.
Iflogicvoltageispresentatthecontroller,andCANbuscommunicationis
suspect,theCANbuscircuitisdamaged.TheCANbuswiringshouldbe
checkedforcorrosionordamageandcleanedorrepairedasnecessary.
ThesteeringmotorcontrollerCANbustransceivercanalsobetestedif
necessary;refertoT estingDevices(Nodes)ontheCANbus(page5–32).
6.SitintheoperatorseatandsetthekeyswitchtotheONposition.
7.AccesstheInfoCenterDiagnostics>Steering>Outputsscreen.
g293810
Figure67
(steeringwheelatrest)
MtrCurrentshouldread0Awhilethesteeringmotorisstationary.
ElectricalSystem:TestingtheElectricalComponents
Page5–64
Greensmaster®eTriFlex3360and3370
19239SLRevF