A8 Lim.


A8 Lim. (BSM) EVAP Canister Purge Regulator Valve 2   N115 , Checking

A8 Lim. (BSM) EVAP Canister Purge Regulator Valve 2 N115 , Checking

EVAP Canister Purge Regulator Valve 2 N115 , Checking A8 Lim. General DescriptionEVAP system is designed so that the admission of fuel vapors takes place only at idle and at light part-throttle. The EVAP Canister Purge Regulator Valve 2 N115 is activated by the Engine Control Module J623 to accomplish this task. Special tools and workshop equipment required Multimeter. Wiring Diagram. Scan Tool. Test requirements Fuses OK. Battery voltage OK. Switch OFF All electrica..

A8 Lim. (BSM) Exhaust Camshaft Adjustment Valve 1   N318 , Checking

A8 Lim. (BSM) Exhaust Camshaft Adjustment Valve 1 N318 , Checking

Exhaust Camshaft Adjustment Valve 1 N318 , Checking A8 Lim. General DescriptionThe camshaft’s task is to operate the valves at the right time and in the right order to control the charge cycle. Camshaft adjustment using the Exhaust Camshaft Adjustment Valve 1 N318 varies the opening times of the valves to suit all operating conditions. This ensures ideal charge cycles within a wide range of engine speeds and loads. Fuel consumption and pollutant emissions are reduced, torque an..

A8 Lim. (BSM) Exhaust Camshaft Adjustment Valve 2   N319 , Checking

A8 Lim. (BSM) Exhaust Camshaft Adjustment Valve 2 N319 , Checking

Exhaust Camshaft Adjustment Valve 2 N319 , Checking A8 Lim. General DescriptionThe camshaft’s task is to operate the valves at the right time and in the right order to control the charge cycle. Camshaft adjustment using the Exhaust Camshaft Adjustment Valve 2 N319 varies the opening times of the valves to suit all operating conditions. This ensures ideal charge cycles within a wide range of engine speeds and loads. Fuel consumption and pollutant emissions are reduced, torque and..

A8 Lim. (BSM) Exhaust Door Valve 1   N321 , Checking

A8 Lim. (BSM) Exhaust Door Valve 1 N321 , Checking

Exhaust Door Valve 1 N321 , Checking A8 Lim. General DescriptionThis procedure is used to diagnose the Exhaust Door Valve 1 N321 , which is controlled by the Engine Control Module J623 . Special tools and workshop equipment required Multimeter. Wiring Diagram. Scan Tool. Test requirements Fuses OK. Battery voltage OK Switch OFF All electrical and electronic accessories Vehicles with Auto. Transmission, ensure Selector Lever liition is in “P”. Vehicles with Manual T..

A8 Lim. (BSM) Exhaust Door Valve 2   N322 , Checking

A8 Lim. (BSM) Exhaust Door Valve 2 N322 , Checking

Exhaust Door Valve 2 N322 , Checking A8 Lim. General DescriptionThis procedure is used to diagnose the Exhaust Door Valve 2 N322 , which is controlled by the Engine Control Module 2 J624 . Special tools and workshop equipment required Multimeter. Wiring Diagram. Scan Tool. Test requirements Fuses OK. Battery voltage OK Switch OFF All electrical and electronic accessories Vehicles with Auto. Transmission, ensure Selector Lever liition is in “P”. Vehicles with Manual T..

A8 Lim. (BSM) Fuel Delivery Unit   GX1  / Fuel Pump Control Module   J538 , Checking

A8 Lim. (BSM) Fuel Delivery Unit GX1 / Fuel Pump Control Module J538 , Checking

Fuel Delivery Unit GX1 / Fuel Pump Control Module J538 , Checking A8 Lim. General DescriptionThe Engine Control Module J623 tells the Fuel Pump Control Module J538 the demand needed for fuel volume and pressure and activates the Transfer Fuel Pump G6 . The Transfer Fuel Pump G6 transfers fuel to the rest of the fuel system, where it is monitored by the Engine Control Module J623 through sensors, and controlled through regulators and/or meter..

A8 Lim. (BSM) Fuel Injectors, Checking

A8 Lim. (BSM) Fuel Injectors, Checking

Fuel Injectors, Checking A8 Lim. General DescriptionThe Fuel Injectors are controlled by the Engine Control Module J623 and are mounted normally in the cylinder head. The fuel injectors spray high-pressure atomized fuel directly into the combustion chamber. Special tools and workshop equipment required Multimeter. Wiring Diagram. Scan Tool. LED Test Lamp. Test requirements Fuses OK. Battery voltage OK. Switch OFF all electrical and electronic accessories. Vehicles with Auto..

A8 Lim. (BSM) Fuel Metering Valve   N290 , Checking

A8 Lim. (BSM) Fuel Metering Valve N290 , Checking

Fuel Metering Valve N290 , Checking A8 Lim. General DescriptionThe Engine Control Module J623 regulates Fuel Metering Valve N290 directly at the High Pressure Fuel Pump to control the low pressure flow inside the High Pressure Fuel Pump. Special tools and workshop equipment required Multimeter. Wiring Diagram. Scan Tool. Test requirements Fuses OK. Battery voltage OK. Switch OFF All electrical and electronic accessories. Vehicles with Auto. Transmission, ensure Sele..

A8 Lim. (BSM) Fuel Metering Valve 2   N402 , Checking

A8 Lim. (BSM) Fuel Metering Valve 2 N402 , Checking

Fuel Metering Valve 2 N402 , Checking A8 Lim. General DescriptionThe Engine Control Module 2 J624 regulates Fuel Metering Valve 2 N402 directly at the High Pressure Fuel Pump 2 to control the low pressure valve inside the High Pressure Fuel Pump. Special tools and workshop equipment required Multimeter. Wiring Diagram. Scan Tool. Test requirements Fuses OK. Battery voltage OK. Switch OFF All electrical and electronic accessories. Vehicles with Auto. Transmission, en..

A8 Lim. (BSM) Fuel Pressure Sensor   G247 , Checking

A8 Lim. (BSM) Fuel Pressure Sensor G247 , Checking

Fuel Pressure Sensor G247 , Checking A8 Lim. General DescriptionThe Fuel Pressure Sensor G247 measures the fuel pressure in the high-pressure fuel system. The Engine Control Module J623 analyzes the signal and regulates the fuel high pressure through the Fuel Pressure Regulator Valve N276 or Fuel Metering Valve 2 N402 or Fuel Metering Valve N290 (depending on vehicle ) in the high-pressure pump. Special tools and workshop equipment required Multimete..




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