Engine Electronic Control Unit (Ecu) - Toro Groundsmaster 4500-D Series Service Manual

Engine Electronic Control Unit (ECU)

Groundsmaster ® 4500-D/4700-D
19245SL Rev A
g307583
1. Engine (models 30893, 30893TE, 30899
and 30899TE)
g307584
1. Engine (models 30885 and 30887)
The Yanmar engine that powers the Groundsmaster 4500−D and 4700−D
uses an electronic control unit (ECU) for engine management and also to
communicate with the TEC controllers and the InfoCenter Display on the
machine. All engine ECU electrical connectors should be plugged into the
controller before the machine ignition switch is moved from the OFF position to
either the ON or START position. If the engine ECU is to be disconnected for
Figure 164
2. Engine ECU
Figure 165
2. Engine ECU
Page 6–5 Electrical System: General Information