Electronic Speed Control - Cushman 632904 Service Manual

Read all of Section B and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.

ELECTRONIC SPEED CONTROL

TABLE OF CONTENTS FOR SECTION 'G'
SECTION TITLE
PERFORMANCE .......................................................................................................... G - 1
Speed Control ......................................................................................................................... G - 1
Pedal-Up Features .................................................................................................................. G - 1
Walk Away Feature ................................................................................................................. G - 1
Anti Roll Back Feature............................................................................................................. G - 1
Anti Stall Feature..................................................................................................................... G - 1
High Pedal Disable Feature .................................................................................................... G - 2
Diagnostic Mode Feature ........................................................................................................ G - 2
OPERATION ................................................................................................................. G - 2
Pedal Box ................................................................................................................................ G - 3
Speed Sensor.......................................................................................................................... G - 3
Controller................................................................................................................................. G - 3
GENERAL TROUBLESHOOTING ............................................................................... G - 4
Symptoms ............................................................................................................................... G - 4
Testing..................................................................................................................................... G - 4
Testing Battery Voltage ........................................................................................................... G - 4
Continuity Check ..................................................................................................................... G - 5
Testing a Switch for Continuity................................................................................................ G - 5
Testing a Solenoid for Continuity ............................................................................................ G - 5
TROUBLESHOOTING DIAGRAMS ............................................................................. G - 6
INDUCTIVE THROTTLE SENSOR (ITS) TESTING AND REPLACEMENT.............. G - 14
CONTROLLER REPLACEMENT ............................................................................... G - 17
SOLENOID REPLACEMENT ..................................................................................... G - 17
LIST OF ILLUSTRATIONS
Fig. 1 Run-Tow/Maintenance Switch.............................................................................................. G - 2
Fig. 2 Access to Pedal Box ............................................................................................................ G - 3
Fig. 3 Controller and Solenoid........................................................................................................ G - 3
Fig. 4 Battery Reference Voltage ................................................................................................... G - 5
Fig. 5 Continuity Check of Switch................................................................................................... G - 5
Fig. 6 Continuity Check of Solenoid ............................................................................................... G - 6
Fig. 7 48 volt Fault Codes .............................................................................................................. G - 7
Fig. 8 Controller Connectors and Connections .............................................................................. G - 8
Fig. 9 48 Volt Wiring Diagram ....................................................................................................... G - 9
Fig. 10 J-1 Pin Connector Diagnostics ......................................................................................... G - 10
Fig. 11 J-1 Pin Connector Diagnostics (Continued) ..................................................................... G - 11
Fig. 12 J-2 Pin Connector Diagnostics ......................................................................................... G - 12
Fig. 13 Secondary Wiring Diagnostics ......................................................................................... G - 13
Fig. 14 ITS and Plunger ............................................................................................................... G - 14
Fig. 15 ITS Adjustment (Sheet 1 of 2) .......................................................................................... G - 15
Repair and Service Manual
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