Diagnostic Test

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

WIRELESS IGNITION NODE (WIN)
NOTE:
Before continuing review and check the following conditions:
- Review the repair history of the vehicle. Ensure the vehicle has the correct PCM and WIN installed. Check the part numbers.
- Using a scan tool, ensure the PCM and WIN have been programmed correctly. Compare the PCM VIN to the WIN VIN and ensure the two VINS match.
1. Turn the ignition on.
2. With the scan tool, clear DTCs.
3. Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
4. Using the scan tool, read DTCs.
  Does the DTC reset?
  
  Yes
  - Replace and program the Wireless Ignition Node in accordance with the Service Information.
    NOTE: If this vehicle is equipped with a Steering Column Lock Module, it must be replaced along with the WIN.
  - Perform the WIN VERIFICATION TEST. See DTC-Based Diagnostics/NODE, Wireless Ignition (WIN) - Standard Procedure
  No
  - The DTC is not active at this time. Test complete.