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Relay block, fuse block. in the trunk 1. Central control unit for comfort systems -J393-; 2/11/13/15. Screw. 3 Nm; 3. Mounting frame for center, used Comfort system -J393-; 4. Used parking aid -J446-; 5. Mounting frame for control units; 6. Used special vehicles -J608- on the left in the trunk; 7. Used electromechanical parking brake -J540-; 8. Mobile booster. telephone -R86-; 9. Autonomous heater receiver -R64-; 10. Mounting frame for control units; 12. Used trailer recognition -J345-; 14. Used electronic damping control -J250-
Removing center, used comfort system -J393-
When replacing a used one, select in the 'Guided Fault Finding' mode" or "Slave functions" function "Replacement" corresponding used one. Select a function or path: Vehicle make - Engine code - 46 Central control unit for the Comfort system, functions - 46 Replacement of a used one. Follow further instructions on the diagnostic display. tester. Turn off the ignition. Open the trunk side trim on the right. Release clamps -arrows- and remove comfort system central control unit -J393- -item. 4 - from the mounting frame. Carefully disconnect connectors -1- and -3- and antenna connector -7-. Disconnect el. plug connections -2,5,6-.
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To disconnect electrical plug connection, press the lock -1-, turn the locking bracket in the -direction of the arrow- and disconnect the plug connection. Remove comfort system central control unit -J393-..
Installation
Installation in reverse order: Follow the further instructions on the tester display for the new convenience systems central control unit -J393-.
Removing the fuse block F-SF- in the trunk on the right
Disconnect the ground wire from the battery with the ignition off. Open the trunk side trim lid on the right. Unlock clamps -3- in -direction of arrow- and press out fuse blocks. -2- back from the fuse block. F -SF-. Unscrew the nut -4-. Remove the fuse block. F -SF-pos. 1 - from the body. Disconnect the fuse block. from the relay block. Remove relay -5- and control units.
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Unlock the clamps -arrows- and push the relay block -2- back out of the holder -1. Remove the fuse block. F -SF-, to do this, where available, disconnect the binders.
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Installation
Installation in reverse order: install fuse block. F -SF- -pos. 1-, while making sure that the guides -2- fit correctly into the mountings -arrows-.
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Connect the battery.
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