ALLISON TRANSMISSION 5000 6000 8000 9000 SERIES TROUBLESHOOTING Service Manual – PDF Download

Description

ALLISON TRANSMISSION 5000 6000 8000 9000 SERIES TROUBLESHOOTING Service Manual

DESCRIPTION:

This manual provides troubleshooting information for Allison Transmission (AT), 5G1), 6000, 8000, and 9000 Series Off-Highway Transmissions which have CEC2. Service Manuals SMIS66EN (5030, 6000), SM1228EN (8000) and SM! 833EN (9000), plus Parts Catalogs PC1860EN (5000, 60m), PC1249EN (8000), and PCISSOEN (9GB) may be used in conjunction with this manual.

This manual includes:

• Description of the CECE system
• Description of the electronic control system components
• Description of diagnostic codes, system responses to faults, and troubleshooting
• Wire, terminal, and connector repair information.

Specific instructions for using many of the available or required service tools and equipment are not included in this manual The service too! manufacturer will furnish instructions for using the tools or equipment.

Additional information may be published from time to time in Service Information Letters (SIL) and will be included in future revisions of this and other manuals. Please use these 511.5 to obtain up-to-date information concerning Allison Transmission products.

SCREENSHOT OF THE MANUAL:

TABLE OF CONTENTS:

foreword ii
SAFETY INFORMATION
Important Safety Notice iii
Warnings, Cautions, and Notes iii
Trademarks Used in This Manual iv
SECTION 1 GENERAL DESCRIPTION
1–1 TRANSMISSION 1–1
1–2 ELECTRONIC CONTROL UNIT (ECU) 1–3
1–3 SHIFT SELECTOR 1–3
A Pushbutton Shift Selector 1–3
B Lever Shift Selector 1–4
1–4 THROTTLE POSITION SENSOR 1–4
1–5 SPEED SENSORS 1–5
1–6 ELECTRO-HYDRAULIC VALVE COMPONENTS 1–5
1–7 WIRING HARNESSES 1–6
A External Wiring Harness 1–6
B Internal Wiring Harnesses 1–8
1–8 VEHICLE INTERFACE MODULE 1–9
1–9 AUTODETECT FEATURE 1–9
SECTION 2 DEFINITIONS AND ABBREVIATIONS
2–1 CHECK TRANS LIGHT 2–1
2–2 DIAGNOSTIC DATA READER 2–1
2–3 ABBREVIATIONS 2–2
SECTION 3 BASIC KNOWLEDGE
3–1 BASIC KNOWLEDGE REQUIRED 3–1
3–2 USING THE TROUBLESHOOTING MANUAL 3–2
3–3 SYSTEM OVERVIEW 3–2
3–4 IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS 3–2
3–5 TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND 3–3
3–6 TESTING AT TRANSMISSION CONNECTOR AND THE INTERNAL HARNESS
FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND 3–5
SECTION 4 WIRE TESTING PROCEDURES
4–1 BEGINNING THE TROUBLESHOOTING PROCESS 4–1
4–2 GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS 4–1
4–3 SHIFT INHIBITS—NO DIAGNOSTIC CODES 4–7
T A B L E O F C O N T E N T S
CEC2 ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
COMMERCIAL ELECTRONIC CONTROLS 2 (CEC2) TROUBLESHOOTING MANUAL
vi Copyright © 2005 General Motors Corp
T A B L E O F C O N T E N T S (C o n t ‘ d)
CEC2 ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
Page
SECTION 5 DIAGNOSTIC CODES
5–1 DIAGNOSTIC CODE MEMORY 5–1
5–2 CODE READING AND CODE CLEARING 5–1
5–3 DIAGNOSTIC CODE RESPONSE 5–3
5–4 SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES 5–3
5–5 DIAGNOSTIC CODE LIST AND DESCRIPTION 5–4
SECTION 6 VEHICLE INTERFACE WIRING—MANDATORY (VIW-M)
6–1 ECU POWER 6–1
6–2 SYSTEM GROUNDS 6–2
6–3 POWER AND GROUND USING A BUS BAR 6–3
6–4 INSTALLING A MASTER DISCONNECT SWITCH 6–4
6–5 IGNITION POWER 6–5
6–6 CHECK TRANS LIGHT 6–6
6–7 NEUTRAL START 6–7
6–8 SPEEDOMETER SIGNAL 6–8
6–9 REVERSE WARNING 6–9
6–10 SHIFT SELECTOR/DISPLAY DIMMER 6–10
6–11 SERIAL COMMUNICATION INTERFACE (SCI)—J1587/J1708 6–11
6–12 COMMUNICATION INTERFACE—SAE J1939 6–12
SECTION 7 WIRING SCHEMATICS
OPTIONAL INPUT AND OUTPUT FUNCTIONS
7–1 CALIBRATION COMPATIBILITY 7–2
7–2 INPUT FUNCTION 7–3
7–3 OUTPUT FUNCTION 7–27
SECTION 8 CUTOMER MODIFIABLE CONSTANTS (CMC)8–1
APPENDICES
A IDENTIFICATION OF POTENTIAL CIRCUIT PROBLEMS A–1
B WIRE/CONNECTOR CHART B–1
C CONNECTOR PART NUMBERS, TERMINAL PART NUMBERS,
TOOL PART NUMBERS, AND REPAIR INSTRUCTIONS C–1
D THROTTLE POSITION SENSOR ADJUSTMENT D–1
E WELDING ON VEHICLE/VEHICLE INTERFACE MODULE E–1
F HYDRAULIC SCHEMATICS F–1
G CEC2 WIRING SYSTEM/ECU WIRING SCHEMATICS G–1
H EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE H–1
J DIAGNOSTIC DATA READER INFORMATION J–1

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ALLISON TRANSMISSION 5000 6000 8000 9000 SERIES TROUBLESHOOTING SERVICE MANUAL – PDF DOWNLOAD: