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• When Monitored: • Set Condition: Possible Causes (K52) EVAP PURGE SOLENOID CONTROL CIRCUIT SHORTED TO GROUND (K107) NVLD SWITCH SIGNAL CIRCUIT SHORTED TO GROUND NVLD ASSEMBLY EVAP PURGE SOLENOID PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. VEHICLE HISTORY AND SERVICE BULLETIN INVESTIGATION Ignition on, engine not running. With a scan tool, read DTCs and record the related Freeze Frame data if any DTC(s) are present. Whether or not any DTC(s) are present you will want to check the following items which may assist in repairing the Check the vehicles repair history. If the vehicle has a repair history that pertains to the customer’s current complaint, review the repair. Inspect the vehicle for any aftermarket accessories that may have been installed incorrectly. Check for any service bulletin(s) related to the customer’s complaint or DTC(s). If a service bulletin applies, follow the instructions per the service bulletin. Choose the following scenario that best applies. The service bulletin repaired the customer’s complaint. Testing complete. A DTC is present, no service bulletins apply, or the service bulletin didn’t repair the customer’s complaint. Go To 2 2. ACTIVE DTC Ignition on, engine not running. With a scan tool, read DTCs. Is the DTC active at this time? Yes >> Go To 3 No >> Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 440 ENGINE ELECTRICAL DIAGNOSTICS LX |