Ezgo EXPRESS L4 Service Manual

Page F-i
Repair and Service Manual
TABLE OF CONTENTS FOR SECTION ‘F’
SECTION TITLE PAGE NO.
ELECTRONIC SPEED CONTROL
GENERAL ..............................................................................................................................................F - 1
PERFORMANCE OPTIONS & DIAGNOSTICS ..................................................................................F - 1
Changing Performance Options .................................................................................................F - 1
OPERATION ..........................................................................................................................................F - 2
Pedal Box ...................................................................................................................................F - 3
Speed Sensor .............................................................................................................................F - 3
Controller ....................................................................................................................................F - 3
GENERAL TROUBLESHOOTING ........................................................................................................F - 4
Symptoms ...................................................................................................................................F - 4
Testing Battery Voltage ..............................................................................................................F - 4
Continuity Check .........................................................................................................................F - 4
Testing a Switch for Continuity ...................................................................................................F - 5
Testing a Solenoid for Continuity ................................................................................................F - 5
TROUBLESHOOTING DIAGRAMS ......................................................................................................F - 6
INDUCTIVE THROTTLE SENSOR (ITS) TESTING AND REPLACEMENT .......................................F - 10
CONTROLLER REPLACEMENT ........................................................................................................F - 13
SOLENOID REPLACEMENT .............................................................................................................. F - 13
LIST OF ILLUSTRATIONS
Fig. 1 Run-Tow/Maintenance Switch ..................................................................................................... F - 2
Fig. 2 Access to Pedal Box ....................................................................................................................F - 3
Fig. 3 Controller and Solenoid ................................................................................................................ F - 3
Fig. 4 Battery Reference Voltage ........................................................................................................... F - 4
Fig. 5 Continuity Check of Switch .......................................................................................................... F - 5
Fig. 6 Continuity Check of Solenoid ....................................................................................................... F - 5
Fig. 7 Controller Faults and Troubleshooting ......................................................................................... F - 7
Fig. 8 Controller Connectors and Connections ...................................................................................... F - 8
Fig. 9 Controller Wiring Diagram ............................................................................................................ F - 9
Fig. 10 ITS and Plunger ....................................................................................................................... F - 10
Fig. 11 ITS Adjustment (Sheet 1 of 2) .................................................................................................. F - 11
Fig. 12 ITS Adjustment (Sheet 2 of 2) .................................................................................................. F - 12
Fig. 13 Solenoid Wiring ........................................................................................................................F - 14

Ezgo EXPRESS L4 Specifications

General

Brand	Ezgo
Model	EXPRESS L4
Category	Utility Vehicle
Language	English