Mazda RX-8. Manual — part 22
ON-BOARD DIAGNOSTIC
08–02–5
08–02
*1
: Used during seat weight sensor calibration setting. Not necessary for diagnostic.
*2
: When the calibration error is displayed, the error can be cleared by turning the ignition switch to the LOCK
position.
End Of Sie
PS_AB_ST
(Passenger-side side air bag
sensor circuit status)
SHRT_B+/
SHRT_GND/
OPEN/
SQ_LOWRES/
Normal
•
Related wiring harness short to power supply: SHRT_B+
•
Related wiring harness short to ground: SHRT_GND
•
Related wiring harness circuit open: OPEN
•
Air bag module circuit resistance low: SQ_LOWRES
•
Related wiring harness normal: Normal
2I, 2L
PS_BUKL
(Passenger-side buckle switch
status)
Buckled/
Unbuckled
•
Passenger-side buckle switch on: Buckled
•
Passenger-side buckle switch off: Unbuckled
2H
PS_CURTN
(Passenger-side curtain air
bag module resistance)
Ohm
Under any condition: 1.4—3.2 ohms
2A, 2D
PS_CURT_ST
(Passenger-side curtain air
bag module circuit status)
SHRT_B+/
SHRT_GND/
OPEN/
SQ_LOWRES/
Normal
•
Related wiring harness short to power supply: SHRT_B+
•
Related wiring harness short to ground: SHRT_GND
•
Related wiring harness circuit open: OPEN
•
Air bag module circuit resistance low: SQ_LOWRES
•
Related wiring harness normal: Normal
2A, 2D
PS_PTENS
(Passenger-side pre-tensioner
seat belt resistance)
Ohm
Under any condition: 1.5—3.1 ohms
2G, 2J
PS_WEIGHT
(Seat weight sensor measured
weight of passenger)
kg
Display of load (body weight) on passenger-side seat
1I
PS1_STAT
(Passenger-side air bag
module (inflator No.1) circuit
status)
SHRT_B+/
SHRT_GND/
OPEN/
SQ_LOWRES/
Normal
•
Related wiring harness short to power supply: SHRT_B+
•
Related wiring harness short to ground: SHRT_GND
•
Related wiring harness circuit open: OPEN
•
Air bag module circuit resistance low: SQ_LOWRES
•
Related wiring harness normal: Normal
1M, 1P
PS2_STAT
(Passenger-side air bag
module (inflator No.2) circuit
status)
SHRT_B+/
SHRT_GND/
OPEN/
SQ_LOWRES/
Normal
•
Related wiring harness short to power supply: SHRT_B+
•
Related wiring harness short to ground: SHRT_GND
•
Related wiring harness circuit open: OPEN
•
Air bag module circuit resistance low: SQ_LOWRES
•
Related wiring harness normal: Normal
1A, 1D
PSAB_DepSt
(Passenger-side air bag
module deployment status)
Active/
Inactive
•
Passenger-side air bag module operation (deployment)
enabled status: Active
•
Passenger-side air bag module non-operation (non-
deployment) status: Inactive
1I
PSB_P_ST
(Passenger-side pre-tensioner
seat belt circuit status)
SHRT_B+/
SHRT_GND/
OPEN/
SQ_LOWRES/
Normal
•
Related wiring harness short to power supply: SHRT_B+
•
Related wiring harness short to ground: SHRT_GND
•
Related wiring harness circuit open: OPEN
•
Pre-tensioner seat belt circuit resistance low:
SQ_LOWRES
•
Related wiring harness normal: Normal
2G, 2J
TRAK_SW
(Seat track position sensor
state)
Forward/
Rearward
•
Front seat front position: Forward
•
Front seat rear position: Rearward
2W, 2X
PID name (definition)
Unit/Condition
Operation Condition (Reference)
Terminal
AIR BAG SYSTEM
08–10–1
08–10
08–10
AIR BAG SYSTEM
AIR BAG SYSTEM OUTLINE . . . . . . . . . 08–10–1
AIR BAG SYSTEM
STRUCTURAL VIEW . . . . . . . . . . . . . . 08–10–1
AIR BAG SYSTEM
WIRING DIAGRAM . . . . . . . . . . . . . . . . 08–10–2
PASSENGER SENSING SYSTEM
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 08–10–2
Outline. . . . . . . . . . . . . . . . . . . . . . . . . . 08–10–2
PASSENGER SENSING SYSTEM
CONSTRUCTION . . . . . . . . . . . . . . . . . . 08–10–3
PASSENGER SENSING SYSTEM
OPERATION . . . . . . . . . . . . . . . . . . . . . . 08–10–3
End of Toc
AIR BAG SYSTEM OUTLINE
EHU081000000101
•
Passenger sensing system has been added.
•
In accordance with the system addition, the following components have been added.
End Of Sie
AIR BAG SYSTEM STRUCTURAL VIEW
EHU081000000102
End Of Sie
Item
Outline
Seat weight sensor
•
Measures the compression weight of the load applied to the
passenger-side seat by the distortion amount using two seat
weight sensor and sends an electrical signal corresponding to
the distortion amount to the seat weight sensor control
module.
Seat weight sensor control module
•
Based on the electrical signal sent from the seat weight
sensor corresponding to the distortion amount, calculates the
total seated weight to determine the passenger, and sends
the determination result to the SAS control module.
PAD indicator
•
PAD indicator has been adopted to inform driver and front
passenger of the deployment standby status of the
passenger-side air bag module, passenger-side side air bag
module and passenger-side pre-tensioner seat belt.
PAD
INDICATOR
DRIVER SEAT
FRONT
PASSENGER
SEAT
SEAT WEIGHT SENSOR
CONTROL MODULE
SEAT WEIGHT
SENSOR (RH)
SEAT WEIGHT
SENSOR (LH)
SAS CONTROL
MODULE
EHU810ZS8001
AIR BAG SYSTEM
08–10–2
AIR BAG SYSTEM WIRING DIAGRAM
EHU081000000103
End Of Sie
PASSENGER SENSING SYSTEM OUTLINE
EHU081057031101
Outline
•
Measures the total seated weight on the passenger-side seat, determines whether there is an adult or child
(including a child-restraint seat), or that it is empty, and then controls operation (deployment) or non-operation
(non-deployment) of the passenger-side air bag module and pre-tensioner seat belt.
End Of Sie
B
A
IG1
IG1
1C
1D
1A
1B
1A
3A
3B
4A
4B
1A
1B
2A
2B
1B
2A
2B
A
B
A
B
A
B
A
B
A
B
A
B
1
1
1B
1C
1R
1W
1T
1X
1E
2Z
2AA
2B
2C
2
2
1V
1S
1J
1G
SAS
CONTROL
MODULE
POOR CONNECTION
DETECTOR BAR
KLN
CLOCK SPRING
INFLATOR
NO.1
INFLATOR
NO.1
DRIVER-SIDE
AIR BAG
MODULE
DRIVER-SIDE
PRE-TENSIONER
SEAT BELT
DRIVER-SIDE
CURTAIN AIR BAG
MODULE
DRIVER-SIDE SIDE
AIR BAG MODULE
PASSENGER-SIDE
AIR BAG MODULE
PASSENGER-SIDE
PRE-TENSIONER
SEAT BELT
PASSENGER-SIDE
CURTAIN AIR BAG
MODULE
PASSENGER-SIDE
SIDE AIR BAG
MODULE
INFLATOR
NO.2
INFLATOR
NO.2
CRASH ZONE
SENSOR
AIR BAG
SYSTEM
WARNING
LIGHT
SEAT BELT
WARNING
LIGHT
DRIVER-SIDE
SIDE AIR BAG
SENSOR
TWISTED PAIR
POOR CONNECTION
DETECTOR BAR
TWISTED PAIR
TWISTED PAIR
PASSENGER-SIDE
SIDE AIR BAG
SENSOR
DLC-2
INSTRUMENT CLUSTER
1P
1M
1D
1A
2S
2P
2Y
2V
2M
2O
2J
2G
2D
2A
2L
2I
A
A
A
B
2T
DRIVER-SIDE
BUCKLE SWITCH
PASSENGER-SIDE
BUCKLE SWITCH
A
B
2H
A
B
B
B
2W
2X
TWISTED PAIR
SEAT TRACK
POSITION
SENSOR
A
B
IG1
3D
1I
3A
3B
1A
1B
2A
2B
S
EAT
WEIGHT
SENSOR
(LH)
S
EAT
WEIGHT
SENSOR
(RH)
S
EAT
WEIGHT
SENSOR
CONTROL
MODULE
TWISTED
PAIR
1U
IG1
PAD INDICATOR
EHU810ZS8004
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