Important: The Functional Test Procedure should be performed before beginning any diagnosis. If this procedure has not already been performed, refer to Functional Test .

The following table consists of seven diagnostic categories that are located in the left-hand column. Using this column, choose the appropriate category based on the operating conditions of the vehicle or transmission. After selecting a category, use the right-hand column to locate the specific symptom diagnostic information.

Fluid Diagnosis

This category contains the following topics:

Noise and Vibration Diagnosis

This category contains the following topics:

Torque Converter Diagnosis (procedure)

Refer to Torque Converter Diagnosis .

Range Performance Diagnosis

This category contains the following topics:

Shift Quality (Feel) Diagnosis

This category contains the following topics:

Shift Pattern

This category contains the following topics:

Shift Speed Diagnosis

This category contains the following topic:

Incorrect shift points

Refer to High or Low Upshift or Downshift Speed .

Torque Converter Diagnosis

This category contains the following topics: