Diagnostic Strategy: Notes
WARNING: This page is about a different variant/trim than selected.
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 shortcuts 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:
- Appropriate transmission information
- Engine Controls INTRODUCTION - GASOLINE MODELS
- TSBs
- Wiring diagrams manual
These publications provide the information required when diagnosing transmission concerns.
Use the Diagnostic Flow Chart as a guide and follow the steps as indicated.