Volkswagen Golf Quiz
General body repairs, interior

Removing and installing airbag control unit -J23

In this manual: General body repairs, interior
General body repairs, exterior — 230General body repairs, interior — 279General information, paint — 133Vechile- specific paint information — 27Heating, air conditioning — 156Auxiliary heater — 58Air conditioning system with refrigerant R134a — 1297- speed dual clutch gearbox 0CW — 544- cylinder injection engine(1.4 1 direct inction. turbocharger) — 182Fuel supply system - Petrol engines — 59Running gear, axles, steering — 221Brake system — 92Wheels and Tyres guide — 12Guide for using trailers — 11Wheels and Tyres Guide - General Information — 121Brake system (hybrid) — 73Electrical system — 326Communication — 65Electrical system, general information — 111
~2min read

Removing

WARNING

Observe safety instructions for pyrotechnic components → Chapter.
  • For “e-Golfs” or “Golf GTEs”, disconnect the maintenance connector for high-voltage system -TW-.
  • Disconnect battery earth cable with ignition switched on → Electrical system; Rep. gr.27.
  • Remove centre console trim in footwell → Chapter.
  • Remove front centre console bracket on driver and front passenger sides → Chapter.
Removing and installing airbag control unit -J23
  • Unscrew nut -3- in driver footwell.
WARNING Before handling pyrotechnic components (e.g. separating the electrical connector), the person handling them must ensure that he/she is “electrically discharged”. To do this e.g. briefly touch the door striker plate.
  • Disconnect connector in front passenger footwell. To do this, release connector catches and open locking bar -5- on connector -arrow-.
  • Unscrew nuts -1 and 4-.
  • Lift airbag control unit -2- clear of studs and remove towards front passenger side.
Note For reasons of clarity, the heater and air conditioning unit are not shown in illustration.

Installing

WARNING
  • Observe safety instructions for pyrotechnic components → Chapter.
  • Before handling pyrotechnic components (e.g. connecting the electrical connector), the person handling them must ensure that he/she is “electrically discharged”. To do this e.g. briefly touch the door striker plate.

Install in reverse order, but note the following:

Note Ensure that the electrical connectors are pushed fully onto stop and engage audibly.
WARNING Battery must be connected with ignition switched on. If pyrotechnic components (e.g. airbag, seat belt tensioners) are repaired incorrectly, undesired triggering may occur after the battery is connected. Ensure that nobody is in vehicle when connecting battery.
Removing and installing airbag control unit -J23
  • For “e-Golfs” or “Golf GTEs”, connect the maintenance connector for high-voltage system -TW-.
  • Connect battery earth cable with ignition switched on → Electrical system; Rep. gr.27.
WARNING If the ignition has not yet been switched on after the battery has been reconnected “warning lamps in dash panel insert are off”, the ignition (key or button) must only be switched on while sitting on the driver seat and with the seat set to rearmost position.
Note
  • If airbag warning lamp -K75- indicates a fault following installation, event memory must be read, deleted and then read again → Vehicle diagnostic tester.
  • If a new airbag control unit -J234- is installed, the control unit must be encoded → Vehicle diagnostic tester.

Specified torques

→ Chapter „Assembly overview - airbag control unit“
Removing and installing airbag control unit -J23

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.