Allison 3k/4k WTECIII Troubleshooting Manual

Allison 3k/4k WTECIII Troubleshooting Manual

Factory printed manual.  OEM factory Allison World Transmission Electronic Controls  (WTEC III) troubleshooting manual.

Allison 3k/4k

Allison 3000 Model Coverage:

Allison 3000 Vocational Models

• 3000 HS
• 3000 RDS
• 3000 EVS
• 3000 MH
• 3000 PTS
• 3000 TRV
• 3200
• 3200 TRV
• MD 3060
• MD 3066
• MD 3560
• MD 3070 PT
• 3500 SP
• 3700 SP
• B 300 (P) (R)
• B 400 (P) (R)
• T 200
• T 300

Allison 4000 Vocational Models

•  4000
• 4000 EVS
• 4000 HS
• 4000 MH
• 4000 RDS
• 4000 TRV
• 4500 EVS
• 4500 HS
• 4500 RDS
• 4500 SP
• 4500 TRV
• 4700 EVS
• 4700 RDS
• 4800 EVS
• HD 4060
• HD 4060 P
• HD4060 R
• HD4060 PR
• HD 4560
• HD 4560 P
• HD 4560 R
• HD 4560 PR
• HD 4070
• HD 4070 P
• HD 4070 R
• HD4070 PR
• HD 4076
• B 500
• B 500 P
• B 500 R
• B 500 PR
• B 425
• B 450

 Table of Contents:

1. General description

• Transmission
• Electronic Control Unit
• Shift Selector
• Throttle Position Sensor
• Speed Sensors
• Control Module
• Wiring Harness
• Vehicle Interface Module
• Autodetect Feature (V8, V8A, V9A, V9B, V9C software)
• Transid Feature

2. Definitions

• Check Trans Light
• Allison Trans. Diagnostic Tool
• Abbreviations

3. Basic Knowledge

• Basic Knowledge Required
• Using the manual
• System overview
• Beginning the troubleshooting process
• Important information in the troubleshooting process

4. Wire Check Procedures

• Checking wire harness for opens / shorts
• Checking inside the transmission for opens / shorts

5. Oil Level Sensor

6. Diagnostic Codes

• Diagnostic code memory
• Code reading & clearing
• Diagnostic code response
• Shift selector displays related to active codes
• Code troubleshooting
• Code list & description

7. Special Function Inputs & Outputs

8. General Troubleshooting or Performance Complaints

• Intermittent codes
• Solenoid & clutch chart
• Wire & connector chart
• Connector part numbers, terminal part numbers,  tool part numbers & repair instructions
• Throttle position sensor adjustment
• Miscellaneous items
• Hydraulic schematics
• Electrical schematics
• Solenoid & Temperature chart

Manufacturer reserves the right to make changes without prior notice.

Allison 3k/4k Series WTECIII Electronic Troubleshooting Manual

Need more factory service manuals?  Click here.

Need diagnostic software or computers?  Click here.

While this is a factory manual, we are not representing to be an agent of this manufacturer

“We are the unofficial source for official factory manuals”