Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the following are true:
• | The control module can communicate via the serial data link. |
• | The electric power steering (EPS) assembly has not been damaged from a collision or air bag deployment. |
- Review the system operation in order to familiarize yourself with the system functions. Refer to
Power Steering System Description and Operation .
Visual/Physical Inspection
• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
• | Inspect the vehicles battery and charging system for the proper voltage levels. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to
Testing for Intermittent Conditions and Poor Connections .