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5. (K315) EGR AIRFLOW CONTROL VALVE MOTOR (-) CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance of the (K315) EGR Airflow Control Valve Motor Is the resistance below 10.0 ohms? Yes >> Go to 6 No >> Repair the (K315) EGR Airflow Control Valve Motor (-) cir- cuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1. (Refer to 9 - 6. EGR AIRFLOW CONTROL VALVE Turn the ignition off. Connect the Engine Control Module (ECM) connector. Replace the EGR Airflow Control Valve in accordance with the Service Information. Turn the ignition on. With the scan tool, Clear DTCs in the Engine Control Module (ECM). With the scan tool, actuate the EGR Airflow Control Valve. 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 7 No >> Test complete. Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 9 - 1720 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |