Leon Mk2
| Electrical/electronic components and fitting locations |
| 1 - | ABS hydraulic unit -N55- |
| The hydraulic unit consists of the components: |
| q | Hydraulic pump -V64-, checked by self-diagnosis. |
| q | Valve block (contains the in/outlet valves). |
| q | The hydraulic pump -V64- and valve block must not be separated from one another → Chapter |
| q | When changing the hydraulic unit always seal the old part with the plugs from the repair set -1H0 698 311 A- |
| 2 - | ABS control unit -J104- |
| q | Checked by self-diagnosis |
| q | Located on the hydraulic unit on left of engine compartment. |
| q | Checking the multi-pin connector to control unit → VAS 5051 |
| q | Do not disconnect connector before successfully completing interrogation of fault memory. First switch ignition off then separate connector. |
| 3 - | ABS/EDL hydraulic unit -N55- |
| The hydraulic unit consists of the components: |
| q | Hydraulic pump -V64-, checked by self-diagnosis. |
| q | Valve block (contains the in/outlet valves). |
| q | The hydraulic pump -V64- and valve block must not be separated from one another → Chapter |
| q | When changing the hydraulic unit, always seal the old part with the plugs from the repair set -1H0 698 311 A- |
| 4 - | ABS/EDL control unit -J104- |
| q | Checked by self-diagnosis |
| q | Located on the hydraulic unit on left of engine compartment. |
| q | Checking the multi-pin connector to control unit → VAS 5051 |
| q | Do not disconnect connector before successfully completing interrogation of fault memory. First switch ignition off then separate connector. |
| 5 - | Brake light switch -F- |
| q | The brake light switch is open in the rest position. |
| q | Adjusting → Chapter |
| q | Can be checked via read measured value block → VAS 5051 |
| 6 - | Brake system warning lamp -K118- |
| q | Location: In the dash panel insert |
| Function: → Chapter |
| 7 - | ABS warning lamp -K47- |
| Locations: |
| q | Location: in dash panel insert |
| Function: → Chapter |
| 8 - | Handbrake warning lamp -K14- |
| q | Location: In the dash panel insert |
| Function: → Chapter |
| 9 - | Impulse wheel for rear right and left speed sensors |
| q | Removing and installing → Chapter |
| 10 - | Impulse wheel for front right and left speed sensors |
| q | Removing and installing → Chapter |
| 11 - | Front right/left speed sensor (-G45-/-G47-) |
| q | Checked by self-diagnosis |
| q | Before inserting the sensor clean the inner surface of the sensor mounting and coat with lubricating paste -G 000 650- |
| q | When connecting the speed sensor wire ensure it is not twisted in the wheel housing |
| q | Securing bolt tightening torque - 10 Nm |
| 12 - | Rear right/left speed sensor (-G44-/-G46-) |
| q | Installation instructions → Item |
| 13 - | Diagnostic connections |
| q | Location: Behind driver's side stowage compartment |
