Leon Mk1
| ABS Mark 70 -ABS/ASR- (until week 22.08) |
| 1 - | ABS control unit -J104- |
| q | Assembly location: in the hydraulic control unit, in the engine compartment, to the right |
| q | Can be checked in „Guided fault finding“, using vehicle diagnostic, testing and information system -VAS 505X-. |
| q | Do not separate connector before successfully completing self-diagnosis. Switch ignition off before separating connector. |
| q | Removing and installing → Chapter |
| 2 - | Hydraulic units for the ABS. -N55- |
| q | Fitting location: in engine compartment (right-side) |
| The hydraulic unit consists of the following components: |
| q | ABS hydraulic pump -V64- |
| q | Can be checked in „Guided fault finding“, using vehicle diagnostic, testing and information system -VAS 505X-. |
| q | Valve block (contains inlet and outlet valves). |
| q | The ABS hydraulic pump -V64- must not be separated from the valve block. |
| q | Removing and installing → Chapter |
| 3 - | Brake system indicator -K118- |
| q | Location: in dash panel insert. |
| q | Brake malfunction, handbrake |
| q | If flashing, check the brake fluid level |
| q | Function: → Chapter |
| 4 - | ABS warning lamp -K47- |
| q | Location: in dash panel insert. |
| q | Function: → Chapter |
| 5 - | Traction control system warning lamp -K86- |
| q | Location: in dash panel insert. |
| q | Function: → Chapter |
| 6 - | Brake pad warning lamp -K32- |
| q | Location: in dash panel insert. |
| q | Function: → Chapter |
| 7 - | Brake light switch -F- and brake pedal switch -F47- |
| q | In vehicles prior to week 45/05 |
| q | Location: on brake pedal |
| q | Removing and installing → Chapter |
| q | Can be checked in „Guided fault finding“, using vehicle diagnostic, testing and information system -VAS 505X-. |
| 8 - | Brake pedal position sender -G100- |
| q | In vehicles after week 45/05 |
| q | Location: on brake pump |
| q | Removing and installing → Chapter |
| q | Can be checked in „Guided fault finding“, using vehicle diagnostic, testing and information system -VAS 505X-. |
| 9 - | TCS and ESP button -E256- |
| q | Location: in centre console. |
| 10 - | Diagnostic connection |
| q | Installation area: cover in footwell on the driver side |
| 11 - | Revolution sensor for the front right hand wheel -G45 -/Revolution sensor for the front left hand wheel -G47 - |
| q | Can be checked in „Guided fault finding“, using vehicle diagnostic, testing and information system -VAS 505X-. |
| q | Removing and installing → Chapter |
| 12 - | Wheel bearing housing |
| 13 - | Wheel hub with wheel bearing |
| q | The ABS sensor ring is fitted in the wheel bearing |
| 14 - | Rear right speed sensor -G44 -/rear left speed sensor -G46- |
| q | Can be checked in „Guided fault finding“, using vehicle diagnostic, testing and information system -VAS 505X-. |
| q | Removal and assembly (front-wheel drive) → Chapter |
| q | Removal and assembly (four-wheel drive) → Chapter |
| 15 - | Rear axle body with axle journal |
| 16 - | Wheel hub with wheel bearing |
| q | The ABS sensor ring is fitted in the wheel bearing |
