Diagnostic Test
- CHECK FOR WIN COMMUNICATION AND DTCS
- Ignition on, engine not running.
- With the scan tool, check for proper communication and active DTCs in the WIN.
Are any WIN communication problems or DTCs present?
Yes
- Refer to DTC-Based Diagnostics/NODE, Wireless Ignition (WIN) - Diagnosis and Testing and perform the appropriate diagnostic procedure.
No
- Go to step 2
- CHECK FOR ACTIVE DTC
- Turn the ignition on.
- With the scan tool, clear all ECM DTCs.
- Turn the ignition on and off several times pausing 10 seconds between key cycles.
- With the scan tool, select View DTCs in the ECM.
Is the status Active for this DTC?
Yes
- Go to 3
No
- Perform the INTERMITTENT DTC diagnostic procedure. See DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure .
- REPLACE THE WIN AND RETEST
- Replace and program the Wireless Ignition Node (WIN) in accordance with the Service Information.
- Turn the ignition on.
- With the scan tool, clear all ECM DTCs.
- Turn the ignition on and off several times pausing 10 seconds between key cycles.
- With the scan tool, select View DTCs in the ECM.
Is the status Active for this DTC?
Yes
- Replace and program the Engine Control Module in accordance the Service Information.
- Perform the ECM Verification Test. See DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure .
No
- Test complete.