Eaton Ultrashift Troubleshooting Guide

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Appendix AutoShift 18-Speed Wiring Diagram with Analog Shifter 30 AMP fuse Transmission ECU Battery power (Non-switched power) run to starter or Battery OEM 38 36 25 31 15 16 17 23 35 10 11 26 32 4 3 2 1 18 19 20 10 11 12 A B C A B C Gear select sensor Rail select sensor For Transmission Diagnostics B C A D B C A 17 31 25 7 8 15 16 23 24 6 34 28 4 32 26 Output shaft speed sensor A B A B C B A C B A A B Main shaft speed sensor Input shaft speed sensor Range valve Splitter valve Terminating resistor Vehicle Interface Legend All OEM responsible wiring shown is "typical". Consult specific application. (38) = +12 volt non-switched from battery (35) = +12 volt switched from ignition switch (26) = Latch into the ECU (15, 16, 17, 10, 11, 3, 2, 1) = Communication from and to the TECU (36, 25) = Signal returns, grounds, and general OEM wiring (4) = -12 volt relay source (32) = +12 volt relay source (31) = +12 volt switched from TECU (23) = Signal from TECU 4-way B - Service Bat. + C - Service Bat. - A - Service Ignition + 35 37 36 38 Gear select motor Rail select motor Electric shifter A-23
Appendix 25 31 15 16 17 23 35 10 11 26 32 4 Transmission ECU Connector Pins Bulkhead connector located at firewall 3 4 1 8 2 6 5 7 3 4 1 8 2 6 5 7 Dimmer control input Back side of gauges Dash lights 10 AMP 12 volt only manual resetting circuit breaker or 10 AMP fuse Ignition Key Switch Runs to main power lead that feeds the ignition bus (OEM responsible for overcurrent protection on this line) +12 volts Battery J-1587 data link J-1939 High J-1939 Low For transmission Diagnostics per SAE Standard E D F G A C B J H C D B F G A 9-way Run to starter solenoid Run to start signal from igntion switch 30 87 86 85 Start enable relay J-1939/11 data link (OEM supplied) Shield termination + _ GND Engine ECM Terminating resistor Vehicle Interface Legend All OEM responsible wiring shown is "typical". Consult specific application. (35, 30, 87) = +12 volt switched from ignition switch (26-87) = Latch into the ECU (15-1, 16-8, 17-2, 10-F, 11-G) = Communication from and to the TECU (25-3) = Signal returns, grounds, and general OEM wiring (4-85) = -12 volt relay source (32-86) = +12 volt relay source (31-4) = +12 volt switched from TECU (23-6) = Signal from TECU AutoShift 18-Speed Wiring Diagram with Analog Shifter A-24
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Fuller ® T M AutoShift / UltraShif
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Table of Contents Component Code: 5
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General Information Suggested Tools
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General Information Diagnostic Proc
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General Information Step D Procedur
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General Information Clearing Fault
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General Information Fault Codes PID
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General Information Product Diagnos
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Fault Isolation Procedures Power Up
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Fault Isolation Procedures Electric
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Fault Isolation Procedures Code 11
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Fault Isolation Procedures Code 31(
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Symptom Isolation Procedures Up/Dow
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Symptom Isolation Procedures Start
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Symptom Isolation Procedures J-1587
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Symptom Isolation Procedures Front
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Symptom Isolation Procedures AutoSh
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Symptom Isolation Procedures UltraS
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Page 289 and 290: Symptom Isolation Procedures UltraS
Page 313 and 314: Symptom Isolation Procedures Shift
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Page 317 and 318: V COM A V COM A Symptom Isolation P
Page 319 and 320: Appendix Cobra Lever 8-way Connecto
Page 321 and 322: Appendix 25 31 15 16 17 23 35 10 11
Page 323 and 324: Appendix Push Button Shift Control
Page 339: Appendix Push Button Shift Control
Page 345 and 346: Appendix OEM Shift Lever Wiring Dia
Page 347 and 348: Appendix OEM J-1939 Shift Input Dev
Page 349 and 350: Appendix Confirm Proper Clutch Adju
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Eaton Ultrashift Troubleshooting Guide

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