Toro Reelmaster 5010- H - Page 319

Step6:Measure48VdcpowerinmainharnessconnectorsP38and
P39.
Note:ConnectordiagramsareavailableinStep7.
1.Verifythattheengineisshutoff.
2.DisconnectmainharnessconnectorsP38andP39fromthecuttingreelmotorcableconnectors.
3.RotatetheignitionkeytotheONposition.
4.Measurethevoltagebetweenpins1and2ofconnectorP39.Thereadingshouldbe48Vdc.
5.MeasurethevoltagebetweenP38pin1andP39pin2.Thereadingshouldbe48Vdc.
6.RotatetheignitionkeytotheOFFposition.
Pass
Thevoltagereadingsweregood.GotoReturningtheMachinetoService(page22)andfollow
thestepslisted.
Fail
Thevoltagereadingswerenotgood.GotoStep7.
Step7:Testthepowerandgroundwiringinmainharnessconnectors
P38andP39.
1.ThesearediagnosticstepstohelpisolateproblemsidentiedinStep6.Useamultimetertotestthe
resistancebetweenthefollowingpairsoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainP391Red
2MainP373Red
Lessthan
2ohms
1MainP392
Black
(48V
Ground)
2MainP374
Black
(48V
Ground)
Lessthan
2ohms
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