Octavia Mk1
| Electric/electronic components and fitting locations |
| 1 - | Four-wheel drive control unit -J492 - |
| q | Fitting location → Fig. |
| q | forms a single unit with the oil pressure control motor -V184- and the hydraulic temperature sender -G271- |
| q | important signals from the engine control unit and the ABS control unit -J104 - are transmitted via the data bus to the four-wheel drive control unit |
| q | Control units - Overview → Chapter |
| q | removing and installing → Chapter |
| 2 - | Engine control unit |
| q | Fitting location → Fig. |
| q | the following signals are transmitted to the four-wheel drive control unit -J492- via the data BUS: |
| t | Engine speed |
| t | Accelerator pedal position |
| t | Engine torque |
| q | removing and installing → Engine → Rep. Gr.23 |
| 3 - | ABS control unit -J104- |
| q | Fitting location: at the hydraulic unit in left of engine compartment |
| q | the following signals are transmitted to the four-wheel drive control unit -J492- via the data BUS: |
| t | Wheel speeds |
| t | Longitudinal acceleration |
| t | Brake operation |
| q | removing and installing → Chassis → Rep. Gr.45 |
| 4 - | Pump for Haldex coupling -V181- |
| q | Fitting location → Fig. |
| q | can be checked in the “Targeted fault finding” with the Vehicle diagnosis, measurement and information system -VAS 5051- |
| q | removing and installing → Chapter |
| 5 - | Diagnostic connection |
| q | Fitting location: in the storage compartment on the driver's side |
| 6 - | Brake light switch -F- |
| q | Fitting location: at brake pedal |
| q | can be checked in the “Targeted fault finding” with the Vehicle diagnosis, measurement and information system -VAS 5051- |
| q | removing and installing → Chassis → Rep. Gr.45 |
| 7 - | Switch for hand-brake control -F9- |
| q | Fitting location → Fig. |
| q | can be checked in the “guided fault detection system” with -VAS 5051- |
| q | removing and installing → Chassis → Rep. Gr.46 |
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