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5. (K668) INLET AIR PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Inlet Air Pressure Sensor harness connector. Turn the ignition on. Measure the voltage of the (K668) Inlet Air Pressure Sensor 5 Volt Sup- Is there any voltage present? Yes >> Repair the (K668) Inlet Air Pressure Sensor 5 Volt Supply circuit for a short to voltage. Perform the ECM VERIFICATION TEST. (Refer to 9 - No >> Go To 6 6. (F851) OIL PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Oil Pressure Sensor harness connector. Turn the ignition on. Measure the voltage of the (F851) Oil Pressure Sensor 5 Volt Supply Is there any voltage present? Yes >> Repair the (F851) Oil Pressure Sensor 5 Volt Supply circuit for a short to voltage. Perform the ECM VERIFICATION TEST. (Refer to 9 - No >> Go To 7 7. (K313) EGR AIRFLOW CONTROL VALVE SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the EGR Airflow Control Valve harness connector. Turn the ignition on. Measure the voltage of the (K313) EGR Airflow Control Valve Supply Is there any voltage present? Yes >> Replace the (K313) EGR Airflow Control Valve Supply cir- cuit for a short to voltage. Perform the ECM VERIFICATION TEST. (Refer to 9 - No >> Go To 8 9 - 1572 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |