SWS Diagnostic Troubleshooting Strategy

SWS DIAGNOSTIC TROUBLESHOOTING STRATEGY
Use these steps to plan your diagnostic strategy. If you follow them carefully, you will be sure that you have exhausted most of the possible ways to find a SWS fault.
1. Gather information about the problem from the customer.
2. Verify that the condition described by the customer exists.
3. Check the vehicle for any SWS DTC.
4. If you cannot verify the condition and there are no SWS DTCs, the malfunction is intermittent. Refer to How to Use Troubleshooting/ inspection Service Points - How to Cope with Intermittent Malfunctions. Fundamentals and Basics
5. If you can verify the condition but there are no SWS DTCs, or the system cannot communicate with the scan tool, refer to Symptom Chart. Diagnosis By Symptom
6. If there is a SWS DTC, perform the diagnostic procedures for the DTC. Refer to Diagnostic Trouble Code Chart. Trouble Code Diagnostic Charts