Allison Transmission 3000 / 4000 gearbox, troubleshooting e-manual

Content Foreword Safety information Important safety notice Warnings, cautions and notes Trademarks used in this manual Gear shift terms and gear shift display General description Gearbox Transmission control module (TCM) Gear selector A. Push button shift B. Lever type gear selector Throttle position sensor Speed sensors Control module Posting A. Field wiring B. Internal wiring Vehicle interface module Auto detect function A. Retarder B. Oil level sensor (OLS) C. Throttle position signal source D. Engine coolant temperature TRANSID (TID) Definitions and abbreviations Check trans indicator light (check transmission) Allison Transmission diagnostic tool Abbreviations General information General training required Using the troubleshooting guide System overview Important information for troubleshooting Start the troubleshooting process TCM Diagnostic procedure Reset TCM parameters to support engine information update Reset TCM autoselect Checking the wiring Check for open circuits, short circuits between wires and short circuits to ground Checking the transmission through connector for open circuits, wire-to-wire shorts, and short to ground Oil level sensor Introduction Oil level display (gear selector) A. Oil level reading procedure Electronic oil level check (Allison DOCTM for PC – service tool) A. Oil level reading procedure Diagnostic trouble codes Memory of diagnostic trouble codes Read and reset DTC System response after registration of diagnostic trouble codes Gear shift display indications associated with active DTCs Index and description of diagnostic trouble codes Troubleshooting diagnostic trouble codes A. Starting the troubleshooting process B. Arrangement of solenoids C. Diagram of diagnostic trouble codes Input and output functions Input functions Output function Troubleshooting process for performance complaints Applications A. Identifying potential wiring problems B. Checking the clutch and retarder pressure C. Solenoid and clutch table D. Wire / connector table E. Connector numbers, terminal numbers tool numbers and repair instructions F. Throttle position sensor adjustment G. Carrying out welding work on the vehicle / interface module for connecting diagnostic equipment H. Hydraulic diagram J. 3000 and 4000 series equipment wiring diagram K. Solenoid resistance table L. Electromagnetic interference from external sources M. Diagnostic chart - 3000 and 4000 series gearbox hydraulics N. ALLISON DOCTM for PC – service tool P. Input and output functions Q. Thermistor troubleshooting information R. SAE J1939 data channel

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