Allison Transmission - 3000 and 4000 Electronic Controls
This manual provides troubleshooting information for the 3000 and 4000 Product Families Transmissions. Service Manuals SM2148EN and SM2457EN. plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual.
This manual includes:
? Description of the WTEC III electronic control 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 tool 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 othe
