Leon Mk2
|
| 1 - | Electronic pressure limiter valve for supercharger -N75- |
| q | Mounted on the turbocharger → Fig. |
| 2 - | Turbocompressor air recirculation valve -N249- |
| q | Mounted on the turbocharger → Fig. |
| 3 - | Motronic control unit -J220- |
| q | Removing and fitting → Chapter |
| 4 - | Ignition coils with output stage |
| q | Ignition coil 1 with output stage -N70- |
| q | Ignition coil 2 with output stage -N127- |
| q | Ignition coil 3 with output stage -N291- |
| q | Ignition coil 4 with output stage -N292- |
| q | Removing and fitting → Chapter |
| q | The ignition coils must be removed from the cylinder head with the extractor -T40039- |
| 5 - | Lambda probe -G39- and Lambda probe heating -Z19-, 55 Nm |
| q | Location → Fig. |
| q | Fitting location for connector → Fig. |
| q | Installing and removing: |
| q | The screw thread on the new lambda probe is coated with a special paste; the paste must not get into the slots on the probe body |
| q | When reusing the old lambda probe lubricate the thread with high-temperature lubricant; the paste must not get into the slots on the probe body; high-temperature lubricant → parts catalogue |
| q | Connector colour: black |
| 6 - | Fuel pressure sender, low pressure -G410- |
| q | Tightening torque: 15 Nm. |
| 7 - | Fuel pressure regulator valve -N276- |
| 8 - | Valve 1 for variable distribution -N205- |
| q | Removing and fitting → Chapter |
| 9 - | Coolant temperature sensor -G62- |
| q | → Fig. |
| 10 - | 6-pin connector |
| q | For the lambda probe -G39- and lambda probe heating -Z19- (black) → Fig. |
| 11 - | Single piston high pressure pump |
| q | Removing and fitting → Chapter |
| 12 - | Coolant temperature sender (radiator outlet) -G83- |
| q | → Fig. |
| 13 - | Intake manifold flap motor -V157- withintake manifold flap potentiometer -G336-: |
| q | After removing or replacing the fuel distributor, the intake manifold flap potentiometer -G336- must be re-adapted to the engine control unit -J220-Diagnosis system for vehicles and service information -VAS 5052-“Guided functions” |
| q | Removing and installing → Chapter |
| 14 - | Solenoid valve 1 for active carbon filter -N80- |
| 15 - | Connector |
| q | For the Hall sender -G40- and the fuel pressure sender -G247- |
| q | Location → Fig. |
| 16 - | Supercharging pressure sender -G31- |
| q | Location → Fig. |
| 17 - | Engine speed sender -G28- |
| q | Location → Fig. |
| 18 - | 8-pin connector for injectors |
| q | Location → Fig. |
| 19 - | Throttle valve control mechanism -J338- |
| q | With activation of the Throttle valve control(electric accelerator control) -G186-, Angle senders -1- for throttle valve control (electric accelerator control) -G187- and Angle sender-2- for throttle valve control (electric accelerator control) -G188- |
| q | After replacing the throttle valve control unit -J338-, the Motronic control unit -J220- → Vehicle diagnosis, testing and information system VAS 5051 must again be adapted, or else to the guided functions. |
| 20 - | Intake air temperature sender -G42- |
| 21 - | Fuel pressure sender -G247- |
| q | Tightening torque: 22 Nm. |
| q | Location → Fig. |
| 22 - | Hall sender -G40- (camshaft position sensor) |
| q | Connector → Fig. |
| A - | Diagnosis connector |
| q | On the roller muffler, on the driver's side |
| B - | Air mass gauge -G70- |
| q | In air cleaner upper part → Fig. |
| q | Removing and installing air mass meter -G70- → Chapter |
| C - | Fuel pump control unit -J538- |
| q | → Fig. |
| q | If the Fuel pump control unit -J538- is replaced, a basic adjustment must be completed → Vehicle diagnosis, testing and information system VAS 5051. |
| D - | Warning light “EPC” |
| q | On the instrument panel |
| E - | Exhaust emissons warning light “MIL” |
| q | On the instrument panel |
| F - | Lambda probe after catalytic converter -G130- and Heater for lambda probe 1, after the catalytic converter -Z29- |
| q | Location → Fig. |
| q | The screw thread on the new lambda probe is coated with a special paste; the paste must not get into the slots on the probe body |
| q | When reusing the old lambda probe lubricate the thread with high-temperature lubricant; the paste must not get into the slots on the probe body; high-temperature lubricant → parts catalogue |
| G - | Brake light switch - F- and brake pedal switch -F63- |
| q | On the brake pump → Fig. |
| H - | Accelerator pedal position sender -G79- and accelerator pedal position sender 2 -G185- |
| q | On the accelerator pedal (both senders are located in the housing) |
| q | Removing and fitting → Chapter |
| q | Location → Fig. |
| I - | Clutch position sender -G476- |
| q | Location → Fig. |
| J - | Relay for voltage supply terminal 30 -J317- |
| q | Location → Fig. |
| K - | Refrigerant fan control unit -J293- |
| q | In the left-hand fan of the radiator (according to direction of travel) |
| L - | Injectors |
| q | In the fuel rail line (common channel) |
| q | Removing and fitting → Chapter |
| q | Cylinder 1 injector -N30- |
| q | Cylinder 2 injector -N31- |
| q | Cylinder 3 injector -N32- |
| q | Cylinder 4 injector -N33- |
| q | Teflon seal in the injector: replacing → Chapter |
| q | Cleaning injectors → Chapter |
| q | The injectors concerned are high pressure injectors. These inject fuel directly into the cylinder at high-pressure (about 120 bar maximum). |
| M - | 3-contact connector for Knock sensor I -G61- |
| q | Location → Fig. |
| N - | 3-pin connector for Knock sensor II -G66- |
| q | Location → Fig. |
| O - | Knock sensor I -G61- |
| q | For cylinder 1 and 2 |
| q | Tightening torque: 20 Nm. |
| q | Location → Fig. |
| P - | Knock sensor 2 -G66- |
| q | For cylinder 3 and 4 |
| q | Tightening torque: 20 Nm. |
| q | Location → Fig. |
| Q - | Oil pressure sender -G10- |
| q | Location → Fig. |
