ENGINE 174 values etc. LOCATION: This sensor is mounted between air filter and turbocharger. TIGHTENING TORQUE DESCRIPTION TORQUE Hex screw M4 x16 0.66 Kgfm CONNECTOR DETAILS PIN OUT DETAILS PIN NO DESCRIPTION 1 Air mass flow input 2 Air inlet temperature input 3 Air mass flow return 4 Air mass flow sensor supply REMOVAL 1. Disconnect the wiring harness connector from sensor. 2. Remove the connecting hose (sensor housing to turbocharger) from sensor housing by unclamping the hose clamps with help of plier. 3. Remove two mounting screws of sensor assembly and take out from its location along with rubber sealing ring. INSPECTION With Ignition 'ON', Check Output Voltage between Pin 3 (MAF) and Pin 5 (GND).it should be between 0 to 1 V. Check Output Current between Pin 1 (Ub) and Pin 5 (GND).it should between 35 and 55 mA. NOTE Check the CIMAF Sensor with no mass flow. The above given values are for zero mass flow. REFITMENT 1. Locate sensor assembly in the air filter housing along with the rubber sealing ring and fit two mounting screws. 2. Fit the connecting hose (sensor housing to turbocharger) and fit the hose clamp. 3. Connect the wiring harness connector to the sensor. NOTE Ensure that no damage to the rubber hose while removing and re-fitment. CAUTION: Continental Integrated Mass Airflow Sensor Reset need to be activated in Diagnostic Tool Whenever Continental Integrated Mass Airflow Sensors changed.
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