![background image](http://html1.mh-extra.com/html/taylor-dunn/b0-254-48/b0-254-48_operation-t-roubleshooting-and-replacement-parts-manual_3768461172.webp)
Sevcon Troubleshooting
Page 18
Electrical Troubleshooting
Pin# Condition
Volts*
1
Key switch off
0.0 volts
Key switch on
Battery volts
2
F&R in forward
Low
F&R in neutral
High
F&R in reverse
3
F&R in reverse
Low
F&R in neutral
High
F&R in forward
4
Accelerator pedal up
High
Accelerator pedal down
Low
5
Seat switch closed (depressed)
Low
Seat switch open
High
6
High/low switch in high
Low
High/low Switch in low
High
7
Hand brake switch closed
Low
Hand brake switch open
High
8
Key switch on (ref battery positive)
**
Key switch off (ref battery positive)
Battery volts
9
System off (ref battery positive)
0 volts
System on (ref battery positive)
**
10
Accelerator pedal up
0.0-0.3 volts
Accelerator pedal down
4.8-5.0 volts
11
Not used
-
12
Not used
-
* - All voltages made referencing main negative unless specified otherwise
** - The voltage should start at approximately 24 volts, then drop to approximately 15 volts after
about 0.5 seconds.
Logic Voltage Reference Table
Summary of Contents for B0-254-48
Page 2: ......
Page 18: ...TAYLOR DUNN...
Page 74: ...Maintenance Service and Repair Steering Page 22 Exploded View of Steering Gear...
Page 100: ...TAYLOR DUNN...
Page 136: ...TAYLOR DUNN...
Page 142: ...TAYLOR DUNN...
Page 154: ...TAYLOR DUNN...
Page 157: ...Sevcon Troubleshooting Page 3 Electrical Troubleshooting Identifying Your Controller...
Page 176: ...TAYLOR DUNN...
Page 194: ...Illustrated Parts Parts Page 2 Steering Knuckle...
Page 196: ...Illustrated Parts Parts Page 4 Front Brakes Brake body 9 above...
Page 198: ...Illustrated Parts Parts Page 6 Steering Linkage...
Page 206: ...Illustrated Parts Parts Page 14 Transmission Gear Case...
Page 210: ...Illustrated Parts Parts Page 18 Rear Brakes Brake body 8 above...
Page 212: ...Illustrated Parts Parts Page 20 Master Cylinder Brake linkage Linkage at the brake caliper...
Page 214: ...Illustrated Parts Parts Page 22 Brake Lines...
Page 216: ...Illustrated Parts Parts Page 24 Rear Suspension View from rear...
Page 218: ...Illustrated Parts Parts Page 26 Motor Rear Motor Mount...
Page 220: ...Illustrated Parts Parts Page 28 Instrument Panel dash...
Page 232: ...TAYLOR DUNN...
Page 233: ...APPENDIX A Special Tools...
Page 242: ...Model B 1 00...
Page 243: ......