Eaton Ultrashift Troubleshooting Guide

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Fault Isolation Procedures Power Up Sequence Test, continued Step H Procedure Condition Action 1. Key off. 2. Disconnect Shift Control 30-way connector. 3. Key on. 4. Measure voltage between Shift Control 30-way pins C1 and J3. If voltage is within 1 volt of battery voltage Replace Shift Control. Go Step V. to If voltage is outside of range Go to Step I. VOLTS V COM A K J H G F E D C B A 3 2 1 2-7
Fault Isolation Procedures Power Up Sequence Test, continued Step I Procedure Condition Action 1. Key off. 2. Disconnect negative battery cable. 3. Disconnect 38-way Vehicle Harness from Transmission ECU. 4. Measure resistance between Transmission ECU pin 25 and Shift Control connector pin J3 and from then from pin J3 to ground. If resistance from pin 25 to J3 is 0 to .3 ohms and resistance from J3 to ground is 10K or OL Go to Step J. Power Up Sequence Test If resistance is outside of range Repair the OEM harness. Go to Step V. OHMS 3 2 1 K 3 2 1 V COM A J K J H G F Ground H G F E E D C B D C B A 3 2 1 OHMS A 3 2 1 Front View 38-Way Connector V COM A 37 29 30 31 23 24 25 32 33 26 27 34 28 38 13 14 15 16 17 18 19 20 21 22 35 7 8 9 10 11 12 1 2 3 4 5 6 36 2-8
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Page 5 and 6: Table of Contents Component Code: 5
Page 7 and 8: General Information Suggested Tools
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Page 13 and 14: General Information Clearing Fault
Page 15 and 16: General Information Fault Codes PID
Page 17 and 18: General Information Product Diagnos
Page 19 and 20: Fault Isolation Procedures Power Up
Page 23: Fault Isolation Procedures Power Up
Page 35 and 36: Fault Isolation Procedures Electric
Page 41 and 42: Fault Isolation Procedures Code 11
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Fault Isolation Procedures Code 28
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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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Symptom Isolation Procedures Shift
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Symptom Isolation Procedures Shift
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V COM A V COM A Symptom Isolation P
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Appendix Cobra Lever 8-way Connecto
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Appendix 25 31 15 16 17 23 35 10 11
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Appendix Push Button Shift Control
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Appendix 25 31 15 16 17 23 35 10 11
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Appendix OEM Shift Lever Wiring Dia
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Appendix OEM J-1939 Shift Input Dev
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Appendix Confirm Proper Clutch Adju
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Eaton Ultrashift Troubleshooting Guide

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