Table of Contents
50940411/G0219 6 Printed in U.S.A.
Engine Error Codes ...................................................................................................................................... 172
Drive and Valve Error Codes ........................................................................................................................ 182
Schematics .............................................................................................................................................. 191
Schematic Conventions ....................................................................................................................................... 191
Model RT250 (SN 70501 and Up) Schematics....................................................................................................192
RT250 Fuse/Relay Locations Index.............................................................................................................. 192
RT250 Connector / Splice Locations Index................................................................................................... 193
Engine/Starting and Charging – Model RT250 ............................................................................................. 196
Engine Sensors – Models RT250 ................................................................................................................. 197
Engine ECU – Models RT250....................................................................................................................... 198
Power Distribution/Fuses – Models RT250................................................................................................... 199
Power Distribution/Relays – Models RT250 ................................................................................................. 200
I/O Controller – Models RT250 ..................................................................................................................... 201
Solenoid Controller A – Models RT250......................................................................................................... 202
Solenoid Controller B – Models RT250......................................................................................................... 203
Operator/Drive Controls – Models RT250..................................................................................................... 204
High-Flow/Self-Level/Power-A-Tach® Quick Attach System – Models RT250 ........................................... 205
HVAC – Models RT250................................................................................................................................. 206
Track Tension/Work Lights – Models RT250................................................................................................ 207
Wipers/Washer Pump – Models RT250........................................................................................................ 208
EU Road Lighting – Models RT250 .............................................................................................................. 209
Auxiliary Power/Dome Light/Radio – Models RT250 .................................................................................... 210
Operator CAN Interface – Models RT250..................................................................................................... 211
Grounds – Models RT250............................................................................................................................. 212
Model RT175 with Tier 4 Engines (Serial Numbers 811051 and Up)
Model RT210 with Tier 4 Engines (Serial Numbers 921651 and Up)............................................................... 213
Models RT175 and RT210 with Tier 4 Engines – Fuse/Relay Locations Index............................................ 213
RT175 / RT210 with Tier 4 Engines Connector / Splice Locations Index ..................................................... 214
Engine/Starting and Charging – Models RT175 / RT210 with Tier 4 Engines .............................................. 216
Power Distribution/Fuses – Models RT175 / RT210 with Tier 4 Engines ..................................................... 217
Power Distribution/Relays – Models RT175 / RT210 with Tier 4 Engines .................................................... 218
Engine Sensors – Models RT175 / RT210 with Tier 4 Engines .................................................................... 219
Engine ECU – Models RT175 / RT210 with Tier 4 Engines ......................................................................... 220
Engine ECU (Continued) – Models RT175 / RT210 with Tier 4 Engines ..................................................... 221
I/O Controller – Models RT175 / RT210 with Tier 4 Engines........................................................................ 222
Solenoid Controller A – Models RT175 / RT210 with Tier 4 Engines .......................................................... 223
Solenoid Controller B – Models RT175 / RT210 with Tier 4 Engines ........................................................... 224
Operator/Drive Controls – Models RT175 / RT210 with Tier 4 Engines ....................................................... 225
High-Flow/Self-Level/Power-A-Tach® Quick Attach System – Models RT175/RT210 with Tier 4
Engines ....................................................................................................................................................... 226
HVAC – Models RT175 / RT210 with Tier 4 Engines ................................................................................... 227
Track Tension/Work Lights – Models RT175 / RT210 with Tier 4 Engines................................................... 228
Wipers/Washer Pumps – Models RT175 / RT210 with Tier 4 Engines......................................................... 229
EU Road Lighting – Models RT175 / RT210 with Tier 4 Engines ................................................................. 230
Auxiliary Power/Dome Light/Radio – Models RT175 / RT210 with Tier 4 Engines....................................... 231
Operator CAN Interface – Models RT175 / RT210 with Tier 4 Engines ....................................................... 232
Grounds – Models RT175 / RT210 with Tier 4 Engines ............................................................................... 233
Model RT175 with interim Tier 4 Engines (Serial Numbers 10951 - 811000), Model RT210 with interim
Tier 4 Engines (Serial Numbers 21201 - 921000) ............................................................................................. 234
RT175 (Serial Numbers 10951 - 811000), RT210 (Serial Numbers 21201 - 921000) Fuse/Relay
Locations Index........................................................................................................................................... 234
RT175 (Serial Numbers 10951 - 811000), RT210 (Serial Numbers 21201 - 921000) Connector / Splice
Locations Index........................................................................................................................................... 235
Engine/Starting and Charging – Model RT175 / RT210 with interim Tier 4 Engines .................................... 238
Engine Sensors – Model RT175 / RT210 with interim Tier 4 Engines .......................................................... 239
Engine ECU – Model RT175 / RT210 with interim Tier 4 Engines ............................................................... 240