Mazda 6. Manual — part 67
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THEFT-DETERRENT SYSTEM
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SYSTEM WIRING DIAGRAM
A6E812050000T03
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A6E8120T001
1
Theft-deterrent control module
2
Key reminder switch
3
Flasher unit
4
Turn light
5
Hazard warning switch
6
Door lock timer unit
7
Theft-deterrent siren
8
Intruder sensor
9
Driver’s door lock-link switch
10
Instrument cluster
11
Security light
12
Door switch (driver’s side)
13
Door switch (except driver’s side)
14
Passenger’s door lock-link switch
15
Rear door lock-link switch (right)
16
Rear door lock-link switch (left)
17
Trunk compartment light switch (4SD)
Cargo compartment light switch (5HB)
18
Bonnet switch
19
Horn relay
20
Horn
THEFT-DETERRENT SYSTEM
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SYSTEM FLOWCHART
A6E812050000T04
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A6E8120T007
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THEFT-DETERRENT SYSTEM
THEFT-DETERRENT SIREN
A6E812050000T05
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The theft-deterrent siren is located on the rear, left side of the trunk lid (4SD) or liftgate (5HB).
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Controlled by the following vehicle conditions:
— Standard alert control
— Open circuit alert control
Standard Alert Control
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The siren beeps when receiving an alert initialization signal from the theft-deterrent control module. When a go-
to-initial signal is received the siren is stopped.
Open Circuit Alert Control
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A back-up power supply is integrated in the theft-deterrent siren.
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When an open circuit is detected in the related wiring harness, the theft-deterrent siren beeps using the back-
up power supply.
•
If any one of the following conditions are met, the siren is stopped:
— Detects that all related wiring harness are properly connected.
— Receives go-to-initial signal from the theft-deterrent control module.
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A6E8120T004
1
Theft-deterrent control module
2
Theft-deterrent siren
3
Alert initialization signal
4
Siren beeps
A6E8120T005
1
Theft-deterrent control module
2
Theft-deterrent siren
3
Siren beeps
4
Siren stops
5
Approx. 30 seconds
6
Approx. 5 seconds
7
Maximum 9 cycles
THEFT-DETERRENT SYSTEM
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INTRUDER SENSOR
A6E812050000T06
Outline
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The intruder sensor is located in center part of the roof on sliding sunroof-equipped vehicles or the forward part
of the roof on sliding sunroof non-equipped vehicles.
•
The intruder sensor detects movement in the vehicle by radio waves and sends the detection signal to the
theft-deterrent control module.
•
An intruder sensor cut-off switch has been installed on the keyless entry system transmitter. If the intruder
sensor cut-off switch is on while the theft-deterrent system is pre-armed, intruder sensor radio wave output is
cut, and movement detection is stopped.
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Operation
1. When the theft-deterrent system is armed, the intruder sensor outputs a 2.45 GHz radio wave in the passenger
compartment. The intruder sensor detects phase differences in radio waves (reflected waves) that are output
and bounced off a target object.
2. When a phase difference in reflected waves occurs by movement in the vehicle (intruder), the CPU calculates
the level of phase difference.
3. If the level of phase difference is higher than specified, the intruder sensor sends a detection signal to the theft-
deterrent module.
.
A6E8120T003
1
Intruder sensor (without sliding sunroof)
2
Intruder sensor (with sliding sunroof)
3
Transmitter
4
Intruder sensor cut-off switch
A6E8120T006
1
Target object
2
Receiver
3
Transmitter
4
Phase detection area
5
Oscillator
6
CPU
7
Detection signal output
8
Theft-deterrent control module
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