Allison Transmission 5000 6000 8000 & 9000 Product Families Commercial Electronic Controls3 (CEC3) Troubleshooting Manual
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Allison Transmission 5000 6000 8000 & 9000 Product Families Commercial Electronic Controls3 (CEC3) Troubleshooting Manual – PDF DOWNLOAD
Description
Allison Transmission 5000 6000 8000 & 9000 Product Families Commercial Electronic Controls3 (CEC3) Troubleshooting Manual – PDF DOWNLOAD
DESCRIPTION:
Allison Transmission 5000 6000 8000 & 9000 Product Families Commercial Electronic Controls3 (CEC3) Troubleshooting Manual – PDF DOWNLOAD
FOREWORD-How to Use This Manual :
Welcome to the TS7337EN Troubleshooting Manual. Allison Transmission, lnc. strives to make every effort to
keep our service information current and accurate. Because of the time lag involved with writing and printing
processes, the Transmission Contrai Module (TCM) may report a Diagnostic Trouble Code (DTC) that has
not yet been added to this document. lf you encounter a DTC that is not yet in this publication, please
call Allison Transmission, lnc. at 1-800-252-5283.
This manual provides troubleshooting information for Allison Transmission, 5000, 6000, 8000, and 9000
Series Off-Highway Transmissions which have CEC3. Service Manuais SM1866EN (5000, 6000), SM1228EN
(8000) and SM7336EN (9000), plus Parts Catalogs PC1860EN (5000, 6000), PC1249EN (8000), and
PC1830EN (9000) may be used in conjunction with this manual.
This manual includes:
• Description of the CEC3 system.
• Description of the electronic contrai system components.
• Description of DTCs, system responses to faults, and troubleshooting steps for active DTCs.
• Wire, terminal, and connector repair information.
• System schematics.
• System wiring diagrams.
• Troubleshooting complaints without DTCs.
- Instructions for using the service toais used to troubleshoot active DTCs and make connector repairs are
included in this manual. Refer to the appropriate service manuais for procedures and instructions for service
toais used to overhaul the transmission. - Additional information may be published from time to time in Service lnformation Letters (SIL) and will be
included in future revisions of this and other manuais. Please review all SILs to obtain up-to-date information
concerning Allison Transmission products.
TABLE OF CONTENTS:
Allison Transmission 5000 6000 8000 & 9000 Product Families Commercial Electronic Controls3 (CEC3) Troubleshooting Manual – PDF DOWNLOAD
FOREWORD-How to Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
IMPORTANT SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
ABBREVIATIONS ANO ACRONYMS ………… . . . ………. . . . …….. . . . ………. . . . ……. v
TRADEMARK USAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
LITERATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
LIST OF WARNINGS . . . . . . .. . . . . . . . . . …. . . . . . . . . . .. . . . . . . . . . . . .. . . . . . . . . . …. . . . . . . . . . viii
SECTION 1 ESSENTIAL TOOLS FOR TROUBLESHOOTING AND CALIBRATION
1-1 GENERAL TOOLS INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-2 ESSENTIAL TOOLS LIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-3 UNIVERSAL ALLISON DOC® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
SECTION 2 GENERAL DESCRIPTION
2-1 TRANSMISSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-2 TRANSMISSION CONTROL MODULE (TCM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-3 SHIFT SELECTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
A. Selector Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
B. Select and Monitor Display(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
C. Mode lndicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
D. MODE Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
E. Trans Service lndicator (Wrench lcon) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
F. Backlighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
G. Keypad Pushbutton Shift Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
H. Lever Shift Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
1. Strip Pushbutton Shift Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
J. Dual Stations or Multiple Transmission Contrai . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2-4 THROTTLE POSITION SENSOR (TPS) …………………………………………. 2-10
2-5 SPEED SENSORS …… . . . . . . . …… . . . . . …. . . . . . . . . . .. . . . . . . . . . …. . . . . . . . . 2-10
2-6 ELECTRO-HYDRAULIC VALVE COMPONENTS …………………………………….. 2-11
A. Oil Levei Sensor (OLS) …. . . . . . …… . . . . . …. . . . . . . . . . .. . . . . . . . . . …. . . . . . . . . 2-14
2-7 WIRING HARNESSES …………………………………………………. 2-14
A. Extemal Wiring Harness (Figure 2-12) . .. . . . . . . . . . …. . . . . . . . . . .. . . . . . . . . . …. . . . . . . . . 2-14
B. Internai Wiring Harnesses (Figure 2-13) .. . . . ………. . . . …….. . . . ………. . . . ….. 2-17
2-8 VEHICLE INTERFACE MODULE (VIM) . . …… . . . . . …….. . . . . . …… . . . . . …….. . . . . 2-19
2-9 AUTODETECT FEATURE ……….. . . . ………. . . . …….. . . . ………. . . . ….. 2-19
A. Oil Levei Sensor (OLS) …. . . . . . …… . . . . . …….. . . . . . …… . . . . . …….. . . . . 2-19
B. Throttle Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
SECTION 3 FLUID CHECK PROCEDURES
3-1 TRANSMISSION FLUID (OIL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
A. lmportance of Transmission Fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
B. Approved Fluid Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
C. Keeping Fluid Clean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
D. Preheating Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-2 TRANSMISSION FLUID LEVEL CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
A. Cold Check Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
B. Hot Check Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
C. Electronic Fluid Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
D. Fluid Levei Check using Universal Allison DOC® …….. . . . ………. . . . ………. . . . ….. 3-10
3-3 TRANSMISSION FLUID CAPACITY …………….. . . . ………. . . . ………. . . . ….. 3-11
Copyright © 2013 Allison Transmission, lnc. AII Rights Reserved. ix
Allison 5000, 6000, 8000 and 9000 Product Families
SECTION 4 DIAGNOSTIC TROUBLE CODES (DTC}
4-1 OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4-2 BEGINNING THE TROUBLESHOOTING PROCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4-3 CHECK TRANS LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4-4 TYPES OF SYSTEM RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4-5 USING SELECTOR FOR DIAGNOSTIC TROUBLE CODE (DTC) DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
A. Display Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
B. Mode lndicator Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
C. Reading DTCs with Strip Shifl Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
D. Reading DTCs with Lever Shifl Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4-6 DIAGNOSTICS IN UNIVERSAL ALLISON DOC® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
A. Viewing DTCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
B. Clearing DTCs ……………………………………………………. 4-7
4-7 SELECTOR DISPLAY DESCRIPTIONS FOR ACTIVE DIAGNOSTIC TROUBLE CODES (DTCs) AND INHIBITS . . . . . . . . 4-8
4-8 CEC3 DTC LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
4-9 DTC LIST AND DESCRIPTION INDEX …………………………………………. 4-14
SECTION 5 VEHICLE INTERFACE WIRING-MANDATORY (VIW-M}
5-1 TCM POWER ……………………………………………………… 5-1
5-2 SYSTEM GROUNDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-3 POWER AND GROUND USING A BUS BAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-4 INSTALLING A MASTER DISCONNECT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-5 IGNITION POWER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5-6 CHECK TRANS LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5-7 NEUTRAL START ……………………………………………………. 5-4
5-8 SPEEDOMETER SIGNAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5-9 REVERSE WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
SECTION 6 GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS
6-1 GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
APPENDICES
A. CEC3 TOWING, JUMP STARTING, WELDING AND PAINTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
B. CEC3 TRAINING AND REQUIRED SKILLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
C. FIRST STEPS AND TIPS FOR TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
D. TROUBLESHOOTING WITH A DIGITAL MULTIMETER (DMM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1
E. TROUBLESHOOTING TRANSMISSION AND VEHICLE CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
F. CEC3 STANDARD WIRING CHECKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-1
G. CEC3 ADVANCED TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-1
H. CEC3 SPEED SENSOR TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H-1
1. CEC3 NON-APPROVED WIRE CHECKS …………………………………………. 1-1
J. CEC3 CLUTCHES AND SOLENOIDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J-1
K. CEC3 PRESSURE TAP LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K-1
L. CONNECTOR, TERMINAL AND TOOL PART NUMBERS AND REPAIR INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . L-1
M. THROTTLE POSITION SENSOR ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M-1
N. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE ……………………………… N-1
O. CEC3 SYSTEM/TCM INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-1
P. HYDRAULIC SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1
IMAGES PREVIEW OF THE MANUAL:

ALLISON TRANSMISSION 5000 6000 8000 & 9000 PRODUCT FAMILIES COMMERCIAL ELECTRONIC CONTROLS3 (CEC3) TROUBLESHOOTING MANUAL:
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