Seat Leon >> Removing and installing steering column electrical control unit J527

Removing

  • Turn front wheels in straight-ahead position - steering wheel in 0-position.
  • Move steering wheel down and to rear as far as possible, making use of full range of steering column adjuster.
  • Switch off ignition and all electrical consumers.

Vehicles without access and start authorisation system

  • Remove ignition key, if fitted.

Vehicles with access and start authorisation system

  • Store the ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

  • Remove steering wheel .

Note Secure with adhesive tape -2- the spring for airbag/retractor ring with contact ring - F138- -1- in the centre position.

  • Remove steering column trim (bottom) .
  • Install upper steering column cover .
WARNING

Risk of irreparable damage to electronic components due to static discharge.

  • Before disconnecting the electrical connection, the mechanic must discharge static by briefly touching striker plate for door or similar.
  • Pull out connector locking element -4-, press down release mechanism and unplug electrical connector -3-.
  • Pull out connector locking element -1-, press down and unplug electrical connector -2-.

Lights, bulbs, switches - exterior

  • Disconnect electrical plugs -1, 3, 4 and 8- , then insert the screwdriver -6- as shown in the illustration, and carefully remove the plug connections from the snap arm -7- .
  • Unscrew the bolt -5-.
  • Release retaining tabs -2- -arrow- and detach steering column electronics control unit - J527- from steering column switch module.

Lights, bulbs, switches - exterior

Note The exact assignment should be gleaned from the latest current flow diagram .

Installing

Installation is carried out in the reverse sequence; note the following:

  • Before pushing steering column electronics control unit - J527- -3- on, check the following:
    • The "arrows" -1- must face each other.
    • Coil connector -2- must be visible through window between "arrows" -4-.
  • Make sure all electrical connectors are properly engaged.

Lights, bulbs, switches - exterior

    Removing and installing steering column switch module
    Removing Move steering wheel down and to rear as far as possible, making use of full range of steering column adjuster. Switch off ignition and all electrical consumers. Vehicles without ac ...

    Removing and installing ignition and starter switch
    Removing Switch off ignition and all electrical consumers. Vehicles without access and start authorisation system Remove ignition key, if fitted. Vehicles with access and start authorisa ...

    See also:

    Removing and installing trim panel for B-pillar (front door)
    Removing Move door window to "open" position. Remove the seal -1- of the rear window guide in the area of the trim -4-. Unscrew and remove the screws -Arrows a- Remove spreader blocks. S ...