Toro Greensmaster TriFlex 3400 - Page 326

1.UnplugconnectorP56fromthebackoftheInfoCenter.
2.Useamultimetertotesttheresistancebetweenthefollowingpairsoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1
Seat
P562
Pink(PK)
2
Chassisground
Approx.
75ohms
1
Seat
P561
Black
(BK)
2
Chassisground
Lessthan2
ohms
1
Seat
P561
Black
(BK)
2
Seat
P562
Pink(PK)
Approx.
75ohms
Pass
Thepowerandgroundwiringtestspassed.GotoStep5.
Fail
Oneormoreofthepowerandgroundwiringtestsfailed.Repairorreplacethewornordamaged
parts.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Step5:TesttheInfoCenterCANbuswiring.
1.UnplugconnectorP56fromthebackoftheInfoCenter.
2.Useamultimetertotesttheresistancebetweenthefollowingpairsoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1
Seat
P563
Red/
White
(R/W)
2
Seat
P564
Black/
White
(BK/W)
54to66
ohms
1
Seat
P563
Red/
White
(R/W)
2
Chassisground
Open
(innite)
1
Seat
P564
Black/
White
(BK/W)
2
Chassisground
Open
(innite)
Pass
TheCANbuswiringtestspassed.GotoStep6.
Fail
OneormoreoftheCANbuswiringtestsfailed.Repairorreplacethewornordamagedparts.Goto
ReturningtheMachinetoService(page21)andfollowthestepslisted.
Step6:ReplacetheInfoCenter.
1.VerifythatconnectorP56isdisconnectedfromthebackoftheInfoCenter.
2.UnscrewtheretainingringfromthebackoftheInfoCenter.
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