Allison CEC-1 Fault Code Manual

Allison CEC-1 Fault Code Manual

Factory printed manual.  OEM Factory Allison Commercial Electronic Controls 1 (CEC1) troubleshooting manual covering the electronically controlled on-highway transmissions.

 

Allison CEC-1 Model Coverage:

• MT (B)
• HT (B)
• V (R)
• CL(B)T
• DP
• M/S

Coverage includes:

1. General description

• Transmission
• Electronic Control Unit
• Shift Selector
• Throttle Position Sensor
• Speed Sensors
• Electro-hydraulic Valve Bodies
• Wiring Harness
• Vehicle Interface Module

2. Definitions

3. Basic Knowledge

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

4. Wire Check Procedures

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

5. Diagnostic Codes

• Diagnostic code memory
• Code reading & clearing
• Code chart abbreviations
• Code list & description
• Troubleshooting with & without codes

6. Special Function Inputs & Outputs

7. 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

Allison CEC-1

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