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 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, you may need to use the following:
- DIAGNOSIS - 5R55N article.
- TSBs.
- Wiring Diagram.
Use the Diagnostic Flow Chart as a guide and follow the steps as indicated. See DIAGNOSTIC PROCEDURE .