Toro Reelmaster 5010- H - Page 121

3.RotatetheignitionkeytotheONposition.
4.Measurethevoltagebetweenpins1and2ofconnectorP47.Thereadingshouldbe48Vdc.
5.MeasurethevoltagebetweenP46pin1andP47pin2.Thereadingshouldbe48Vdc.
6.RotatetheignitionkeytotheOFFposition.
Pass
Thevoltagereadingsweregood.GotoStep7.
Fail
Thevoltagereadingswerenotgood.GotoStep6.
Step6:Testthewiringforpowerandgroundinmainharness
connectorsP46andP47.
ThesearediagnosticstepstohelpisolateproblemsidentiedinStep5.Useamultimetertotesttheresistance
betweenthefollowingpairsoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainP471Red
2MainP373Red
Lessthan
2ohms
1MainP472
Black
(48V
Ground)
2MainP374
Black
(48V
Ground)
Lessthan
2ohms
1MainP461White
2MainP472
Black
(48V
Ground)
24kto26k
ohms
Pass
Theresistancetestspassed,butthevoltagereadingsinStep5arestillbad.
Note:DonotgotoStep7untilafterthevoltagereadingsinStep5aregood.
Fail
Oneormoreofthepowerandgroundwiringtestsfailed.Repairorreplacethewornordamaged
parts.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
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