BMW X5 2006 E53 Drive Away Protection Syst

BMW X5 2006 E53 Drive Away Protection Syst X5 2006 E53 BMW BMW https://www.carmanualsonline.info/img/1/5427/w960_5427-0.png BMW X5 2006 E53 Drive Away Protection Syst
Trending: ignition, key, oil change, radio controls, height, lock, check engine

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BMW X5 2006 E53 Drive Away Protection Syst Initial Print Date: 5/01Revision Date:
Subject Page
Drive  Away  Protection..................................................................................3
EWS I....................................

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BMW X5 2006 E53 Drive Away Protection Syst 2
EWS
Drive Away Protection System (EWS)
Model:  EWS I/EWS II/EWS III/EWS III D
E31/E34/E36/E38/E39/E46/E52/E53
Production Date:  All since 1/94
Objectives
After completion of this module you should b

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BMW X5 2006 E53 Drive Away Protection Syst 3
EWS
Drive Away Protection 
The  first  version  of  Drive  Away  Protection  was  installed  on  production  vehicles 9/93
through 12/93.
Purpose of The System
The purpose of the Drive Away Protecti

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BMW X5 2006 E53 Drive Away Protection Syst 4
EWS
Principle of Operation
When the vehicle is locked from the outside, a High signal is sent to the GM from the door
lock  switch.  The  GM  receives  this  High  signal  and  outputs  a  High  sig

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BMW X5 2006 E53 Drive Away Protection Syst 5
EWS
EWS I
EWS  I  was    installed  on  vehicles  beginning  production 1/94,  replacing  the  original  Drive
Away Protection System.
Purpose of the System
The next level of compliancy with the Eur

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BMW X5 2006 E53 Drive Away Protection Syst 6
EWS
Door Lock Cylinders and Switch
The door lock cylinders and switch input a High/Low signal into the GM informing the GM
of lock status.  The signal is High when the system is in Double Lock. 
Gen

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BMW X5 2006 E53 Drive Away Protection Syst 7
EWS
• 4 cylinder =1800 RPM
• 6 or 12 cylinder =1200 RPM
• 8 cylinder      =900 RPM
The  relay  contacts  will  close  when  the  exceeded  Hz  value  drops  to  5Hz  below  the  maxi-
mum valu

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BMW X5 2006 E53 Drive Away Protection Syst 8
EWS
EWS II
Starting with 1/95production, all vehicles were equipped with a new EWS system, EWS II.
This  change  was  once  again  brought  about  to  meet  the  next  level  of  compliancy  with  t

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BMW X5 2006 E53 Drive Away Protection Syst 9
EWS
System Components
Key with Transponder
Four keys are initially supplied with each vehicle.
Each  key  contains  a  wireless  electronic  chip
(transponder chip). The function of the transpon-
de

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BMW X5 2006 E53 Drive Away Protection Syst 10
EWS
Ring Antenna
The  Ring  Antenna  is  an  inductive  coil  installed  around  the  lock  cylinder  which  provides
power for the transponder in the key and the communication link (antenna) betwe
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Trending: check oil, key, engine, oil change, height, lock, check engine