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Four-wheel drive control unit J492 : general fitting diagram > < Electrical and electronic components
Electrical and electronic components and their location
Electrical and electronic components and their location
Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter
   
1 - Four-wheel drive control unit -J492-
q   Location → Fig.
q   Forms a unit with the valve that controls the opening of the clutch -N373-
q   The control unit is also integrated with the pressure sensor
q   Removing and fitting → Chapter
q   Through the data bus, the four-wheel drive control unit -J492- receives signals from the engine control units and the ABS with EDS
2 - Pump for the Haldex clutch -V181-
q   Location → Fig.
q   This can be verified using the central diagnosis -VAS 5051B- or central diagnosis -VAS 5052- using the “Guided fault finding”
q   Removing and fitting → Chapter
3 - Connection for the diagnosis
q   Location: in the front left footwell, near the control for opening the bonnet
4 - Handbrake control switch -F9-
q   Location → Fig.
q   This can be verified using the central diagnosis -VAS 5051B- or central diagnosis -VAS 5052- using the “Guided fault finding”
q   Removing and fitting → Rep. Gr.46
5 - Brake light switch -F-
q   Location: → Fig.
q   This can be verified using the central diagnosis -VAS 5051B- or central diagnosis -VAS 5052- using the “Guided fault finding”
q   Removing and fitting → Rep. Gr.45

   
Four-wheel drive control unit -J492-
Location: the control unit -A- is located in the rear final group, on the front left side.
  A39-10049
Pump for the Haldex clutch -V181-
Location: the Haldex clutch pump -arrow- is located in the rear final group, on the front right side.
  A39-10050
Brake light switch -F-
Location: the brake light switch -F- is located at the brake pump.
Removal: → Rep. Gr.45.
  N47-10071
Handbrake control switch -F9-
Location: the switch -arrow- is located at the hand brake lever.
Removal: → Rep. Gr.46.
  N01-0426

Four-wheel drive control unit J492 : general fitting diagram > < Electrical and electronic components