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• When Monitored: • Set Condition: Possible Causes INTERMITTENT DTC (K314) EGR AIRFLOW CONTROL VALVE MOTOR (+) CIRCUIT OPEN OR HIGH RESISTANCE (K315) EGR AIRFLOW CONTROL VALVE MOTOR (-) CIRCUIT OPEN OR HIGH RESISTANCE EGR AIRFLOW CONTROL VALVE ENGINE CONTROL MODULE (ECM) Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. DTC IS ACTIVE Ignition on, engine not running. With the scan tool, Clear DTCs in the Engine Control Module (ECM). With the scan tool, actuate the EGR Airflow Control Valve at 100%. Monitor the scan tool for at least two minutes. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes >> Go To 2 No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 9 - 1432 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |