Installation diagram of the squib for disconnecting the battery
1. Email squib connector for battery disconnection -N253-; 2. Nut. 15 Nm; 3. Battery disconnect igniter -N253- is only supplied together with -pos. 4-; 4. Fuse block A -SA- is only supplied together with -pos. 3-; 5. Trim for fuse holder A -SA-; 6. Positive terminal
Removing battery terminal ejector squib -N253-
Note. If the Airbag warning light -K75- comes on after an accident, use it to check whether the collision data has been saved. If the data is saved, check whether the fault memory for item Battery disconnect device igniter -N253- has been entered "001 Resistance too high". If this is present, replace the battery disconnect squib -N253-. The battery disconnect igniter -N253- opens the electrical circuit whenever the airbag is deployed. The battery disconnect igniter -N253- must be replaced after tripping. The battery disconnect device squib-N253- is supplied as a spare part along with the fuse bracket. A -SA-. To replace the battery disconnect squib -N253- separately, it can be unscrewed as a spare part and installed on the front fuse bracket. A -SA- as described below.
Turn on the ignition. Disconnect the battery ground cable with the ignition on. Loosen the nut -1- a few turns and remove the battery pole terminal of the positive wire with the fuse block. A -SA- from the battery pole. Remove the fuse block. A -SA- up. Unlock the locking spring -3- and fold the cover -2- over the fuse block. A -SA- up -arrow-.
Unscrew nuts -2- and -3-. Remove the battery disconnect device squib -4-. Pull lock -5- down -arrow- and disconnect electrical connection. connector
Installation
Installation is in reverse order, please note that el. The connectors must be inserted all the way until they click into place. Connect the battery ground cable with the ignition on. Then interrogate the memory of messages about a malfunction of the Airbag control unit and, if necessary, work on them.
Driver airbag
I 1. Used steering column -J527- with spring-shaped conductor element for Airbag and slip ring -F138- and steering angle sender -G85-; 2. Steering wheel; 3. Bolt; 4. El. Connector for driver's Airbag squib -N95- and driver's Airbag squib 2 -N250-. Replace; 5. El. Connector for multifunction steering wheel option. Replace; 6. Airbag on the driver's side with driver's Airbag squib 1 -N95- and driver's Airbag squib 2 -N250-; 7. Bolt. 2 pcs. 7 Nm; 8. Cap. 2 pcs. For driver airbag bolt
Removing airbag with squib -N95- and -N250-
Set the steering wheel as far back and down as possible, using the full range of adjustment of the steering column adjuster to do this. Turn on the ignition. Disconnect the battery ground cable with the ignition on. Turn the steering wheel so that the protective cap -1- on the rear of the steering wheel points straight up (12 o'clock position). Peel off the top trim of the steering column switch module near the Airbag bolt connection along with adhesive tape to prevent damage to the surfaces. Press out the cap -arrow-.
Remove bolt -arrow-front passenger airbag. Turn the steering wheel 180°and carry out all work on the other side of the steering wheel.
Return the steering wheel to the center position (wheels in straight forward position). Remove the front passenger airbag partially from the steering wheel. Pull the connector fuse -arrow- as far as it will go. This removes the electronic fixation. connector -2- and it can be removed. Set option With multifunction steering wheel and Tiptronic steering wheel: Disconnect electrical connector -3-. Remove Airbag -4-.
Installation
Installation is in reverse order, taking into account that el. The connectors must be inserted all the way until they click into place. Please note that the wires should not be pinched. Connect the plug connector of the spring-shaped conductor element with the connection for the Airbag and the slip ring. Place the driver's Airbag module in the steering wheel. Screw in the 2 bolts -arrow- to secure the driver's airbag module approximately 2 turns. Press the horn 3 times to achieve an even gap. Do not touch the airbag again. Tighten the screws -arrow-. Insert the caps into the grooves on the steering wheel. Connect the battery ground cable with the ignition on. Interrogate the fault memory of the Airbag control unit and clear it, since fault messages may be stored in it when the plug connectors are disconnected.
Visitor comments