480
Troubleshooting
Power Steering System
The power steering system is an electro-hydraulic
system which produces supplemental steering force
to assist the driver in steering the vehicle.
Component descriptions
EHPS SME Inverter
The inverter controls the power steering motor. It
consists of a power stage and a control stage. The
power stage converts 24V DC input from the LV
distribution network to three-phase AC output to
power the motor. The control stage is powered by
24V DC voltage. It is connected to the CAN network
and receives data from the motor through an LV
feedback loop.
EHPS SME Motor
The motor powers the hydraulic pump used by the
power steering system. It is powered by three-phase
AC voltage supplied by the inverter.
Hydraulic Circuit
The hydraulic circuit consists of a pump, reservoir,
and steering box connected by hydraulic lines.
These items are not supplied by Dana and are
outside the scope of this troubleshooting guide.
Summary of Contents for SPICER PACCAR 220ev
Page 263: ...263 Troubleshooting Connector C53 Connector C100...
Page 274: ...274 Troubleshooting Connector C717 green Connector C718 yellow Connector C719 orange...
Page 322: ...322 Troubleshooting Connector C651 B Circuit73...
Page 468: ...468 Troubleshooting Connector C44 Connector C45 Connector C53 Connector C54 Connector C661...
Page 476: ...476 Troubleshooting Connector C44 Connector C45 Connector C53 Connector C54 Connector C661...
Page 514: ...514 Troubleshooting Connector C676 Connector C651 B Circuit73...
Page 636: ...636 Troubleshooting Connector C676 Connector C651 B Circuit73...
Page 702: ...702 Troubleshooting Connector C101 Connector C713 Connector C722 3 4 3 4...
Page 711: ...711 Troubleshooting Connector C101...
Page 730: ...730 Troubleshooting Connector C651 A...
Page 733: ...733 Troubleshooting Connector C651 A...
Page 736: ...736 Troubleshooting Connector C651 B Circuit73...
Page 738: ...738 Troubleshooting Connector C651 B Circuit73...