MQBA0 MQBA0 User Manual MANUAL FOR MQBA0 - MEDIUM_V50 Magneti Marelli Electronic Systems

Magneti Marelli Electronic Systems MQBA0

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02/07/2018
1/7
Functional Manual
for IMMOBILIZER Certification
Electronics Systems
R&D - Hortolândia
MQBA0
Document
Functional description for Homologation
Customer
VOLKSWAGEN Automóveis S/A.
Manufactory Magneti Marelli Sistemas Automotivos.
Product
MQBA0
Author: Luis Gustavo Casteletti
Version: 5.0 Date 15/08/2018
Functional Manual
MAGNETI MARELLI
MQBA0
Functional Manual
for IMMOBILIZER Certification
Electronics Systems
R&D - Hortolândia
Version
1.0
1.1
Date
03/04/2017
15/09/2017
2.0
25/06/2018
3.0
25/06/2018
4.0
02/07/2018
5.0
15/08/2018
Author: Luis Gustavo Casteletti
Version: 5.0 Date 15/08/2018
02/07/2018
2/7
MQBA0
Comment
First Issue
Update Part Number
Added §2.6 and 2.7 related to
label. (FCC requirement)
Added FCC statements
Update block diagram with
frequency of all oscilators
Removed block diagram and
photos
Functional Manual
Author
Philipe Mandaji Piaia
Danilo Trinetta Xavier
Luis Gustavo Casteletti
Luis Gustavo Casteletti
Luis Gustavo Casteletti
Luis Gustavo Casteletti
MAGNETI MARELLI
MQBA0
Functional Manual
for IMMOBILIZER Certification
Electronics Systems
R&D - Hortolândia
02/07/2018
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MQBA0
Summary
1.
Page
Customer Part Numbers ............................................................................................ 4
1.1 MQBA0 Part Number’s...................................................................................................... 4
2.
3.
4.
System Specification .................................................................................................. 4
2.1
General Product Data .................................................................................................. 4
2.2
General System Description ........................................................................................ 4
2.3
Frequency of Operation............................................................................................... 5
Functional Simulation Conditions ............................................................................ 6
3.1
List of Equipment......................................................................................................... 6
3.2
General Simulation Setup ........................................................................................... 6
3.3
Functional Operation Description .............................................................................. 6
FCC Statement ........................................................................................................... 7
Author: Luis Gustavo Casteletti
Version: 5.0 Date 15/08/2018
Functional Manual
MAGNETI MARELLI
MQBA0
Functional Manual
for IMMOBILIZER Certification
Electronics Systems
R&D - Hortolândia
02/07/2018
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MQBA0
1. Customer Part Numbers
1.1 MQBA0 Part Number’s
Magneti Marelli
Part Number
VW Part Number
503.006.001.XXX
6EA.920.7XX.X
Note 1: The character "X" represents versions and modifications that accompany this
project. All part numbers with its variations have the same RF circuit.
Note 2: For Homologation purposes, any MQBA0 cluster with Part Number described
above can be used, and the results considered for others Part Numbers. It is possible
because for the entire family of MQBA0 cluster, the IMMOBILIZER circuit is the same.
2. System Specification
2.1 General Product Data
The MQBA0 Instrument Cluster embeds an integrated immobilizer system, which works
with a security transponder assembled into the body of the car keys and interfaces to the
Engine Management System via CAN Bus. This system uses the Challenge/Response principle
from the base station to the transponder and vice versa. The antenna is assembled out side the
instrument cluster and it is connected through the harness cable of the vehicle (length of the
cable ~0,9m).
2.2 General System Description
The immobilizer system is to prevent unauthorized people from starting the vehicle engine
to steal it. The system is based on a crypto coded data exchange between the engine control
unit and a transponder via the immobilizer.
The transponder (transponder = transmitter + responder) is an electronic module integrated
in the top of the car key. The information stored in it decides whether or not the person in
question is authorized to use the car. The transponder supports the write, read and calculating
functions required for the alternating code process which is to be implemented without battery.
The intervention into the engine control unit is done via an electronically coded signal. A
consistent alternating code process is used for the communication between the transponder
and the engine management system (ECM). When the ignition is switched ON, the engine
control unit enables the engine functions for a predefined period (= pre-enable time, max 1.8s
after engine is running).
Author: Luis Gustavo Casteletti
Version: 5.0 Date 15/08/2018
Functional Manual
MAGNETI MARELLI
MQBA0
02/07/2018
5/7
Functional Manual
for IMMOBILIZER Certification
Electronics Systems
R&D - Hortolândia
MQBA0
High Speed
Line Field
CAN bus
As consequence, the engine function remains enabled only if a correct transponder code is
detected within the pre-enable time. In all the others cases, the engine functions are inhibited
and the vehicle cannot be started.
Access to safety-related functions and data of the immobilizer and of the engine control unit
– e.g. programming of a new transponder – is protected by a password function. Access to
these functions is only possible after correct entry of the Security Code which has been
programmed previously; this entry is possible via a tester (e.g. VAS Tool from VW).
This Security Code is documented in the so-called SECURITY CAR PASS which is in the
possession of the vehicle owner.
2.3 Frequency of Operation
The operating frequency of the immobilizer system is 125KHz.
Author: Luis Gustavo Casteletti
Version: 5.0 Date 15/08/2018
Functional Manual
MAGNETI MARELLI
MQBA0
Functional Manual
for IMMOBILIZER Certification
Electronics Systems
R&D - Hortolândia
02/07/2018
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MQBA0
3. Functional Simulation Conditions
3.1 List of Equipment
The functional operation of MQBA0 is provided using the following list of equipment:
Vehicle battery 12V;
Test harness;
Key with transponder;
Ignition switch with immobilizer antenna coil.
3.2 General Simulation Setup
BATTERY
12V
TEST
HARNESS
CLUSTER
KEY
3.3 Functional Operation Description
The immobilizer function of MQBA0 starts to work when the key (KL15) is turned on. The
modulate frequency, AM 125 KHz, is emitted and the Cluster do the recognition of the
transponder code. If the answer is positive, the cluster tells ECM that key was recognized.
Author: Luis Gustavo Casteletti
Version: 5.0 Date 15/08/2018
Functional Manual
MAGNETI MARELLI
MQBA0
Functional Manual
for IMMOBILIZER Certification
Electronics Systems
R&D - Hortolândia
02/07/2018
7/7
MQBA0
4. FCC Statement
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this
equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
IMPORTANT NOTE:
Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter.
Country Code selection feature to be disabled for products marketed to the
US/CANADA
Author: Luis Gustavo Casteletti
Version: 5.0 Date 15/08/2018
Functional Manual
MAGNETI MARELLI
MQBA0
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