Yanmar Engine Electronic Control Unit (Ecu); Yanmar Engine Electrical Components - Toro Groundsmaster 4300-D Service Manual

Yanmar Engine Electronic Control Unit (ECU)

Yanmar Engine Electrical Components

Electrical System: General Information
g188094
1. Diesel-particulate filter (DPF)
The Groundsmaster 4300-D machines use an electronic control unit (ECU) for
engine management and to communicate with the TEC and InfoCenter display
on the machine. If you must disconnect the engine ECU for any reason, ensure
that the key switch is in the O
30 seconds before disconnecting the engine ECU.
When servicing or troubleshooting the engine electrical components use the
Yanmar Engine Service Manual and Troubleshooting Manual. Contact your Toro
distributor for additional engine troubleshooting assistance.
Figure 123
2. Electronic Control Unit (ECU)
position with the key removed for a minimum of
FF
Page 5–4 Groundsmaster ® 4300-D
16226SL Rev C