Diagnostic Strategy: Notes
Troubleshooting an electronically controlled automatic transmission is simplified by using the proven method of diagnosis. One of the most important things to remember is that there is a definite procedure to follow.
NOTE:
Do not take any short cuts or assume that critical checks or adjustments have already been made.
Follow the procedures as written to avoid missing critical components or steps.
To correctly diagnose a concern, have the following publications available:
- Transmission Reference Manual.
- INTRODUCTION - GASOLINE article .
- TSBs.
- Wiring Diagram.
These publications provide the information required when diagnosing transmission concerns.
Use DIAGNOSTIC FLOW TABLE as a guide and follow the steps as indicated.