Mazda CX-9 Grand Touring. Manual - part 4

(definition)

(Reference)

BUCKLE_D 
(Driver-side buckle 
switch status)

Unbuckled/Buckled



Driver-side buckle 
switch off: 
Buckled  



Driver-side buckle 
switch on: 
Unbuckled  

2W

BUCKLE_P 
(Passenger-side 
buckle switch 
status)

Unbuckled/Buckled



Passenger-side 
buckle switch off: 
Buckled  



Passenger-side 
buckle switch on: 
Unbuckled  

2C

CCNT_RCM 
(Number of 
continuous DTCs)

-

Indicates number of 
DTC

-

CRSH_RC 
(Number of 
detected collisions)

-

Indicates number of 
detected collisions

-

DTC_CLR_ST

(1)

 

(OCS DTC cleared 
state)

Starting/Normal End/In Process/OCS Fault

Fault information 
cleared at seat weight 
sensor

2AJ

IGN_V (IG1 
voltage)

V

Ignition switch is at ON: 
B+

1D

OCS_CAL_ST

(2)

 

(Seat weight 
sensor calibration 
status)

Starting/Normal End/Commanding/NG 

(Voltage)/ NG (Weight)/ Timeout/In 

Process/OCS Fault



Seat weight sensor 
calibration start-
up: Starting  



Seat weight sensor 
calibration 
completed 
normally: Normal 
End  



Seat weight sensor 
calibration 
command being 
sent: Commanding 



Voltage 
malfunction 
during seat weight 
sensor calibration: 
NG (Voltage)  



Weight error 
during seat weight 

2AJ

 

2008 Mazda CX-9 Grand Touring 

2008 RESTRAINTS On-Board Diagnostic (Restraints) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:18:46 AM

Page 13 

© 2005 Mitchell Repair Information Company, LLC. 

sensor calibration: 
NG (Weight)  



Seat weight sensor 
calibration time 
limit passed: 
Timeout  



Seat weight sensor 
calibration being 
processed: In 
Process  



Seat weight sensor 
or Seat weight 
sensor control 
module 
malfunction: OCS 
Fault  

OCS_SYS_ST

(1)

 

(Seat weight 
sensor status)

Empty/SMALL/Indeterminate/LARGE/Invalid

Occupant classification 
status determined by seat 
weight sensor

2AJ

OCSFLT_CAL 
(Passenger sensing 
system calibration 
status)

OK/FAULT



Sensor normal: 
OK  



Seat weight sensor 
calibration error: 
FAULT  

2AJ

OCSFLT_COM 
(Passenger sensing 
system 
communication 
status)

OK/FAULT



Sensor normal: 
OK  



Seat weight sensor 
control module 
communication 
error: FAULT  

2AJ

OCSFLT_L 
(Passenger sensing 
system (LH) 
malfunction status)

OK/FAULT



Sensor normal: 
OK  



Seat weight sensor 
(LH) malfunction: 
FAULT  

2AJ

OCSFLT_MDL 
(Passenger sensing 
system control 
module 
malfunction status)

OK/FAULT



Sensor normal: 
OK  



Seat weight sensor 
control module 
malfunction: 
FAULT  

2AJ

OCSFLT_R 



Sensor normal: 
OK  

 

2008 Mazda CX-9 Grand Touring 

2008 RESTRAINTS On-Board Diagnostic (Restraints) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:18:46 AM

Page 14 

© 2005 Mitchell Repair Information Company, LLC. 

(Passenger sensing 
system (RH) 
malfunction status)

OK/FAULT



Seat weight sensor 
(RH) malfunction: 
FAULT  

2AJ

PS_WEIGHT 
(Seat weight 
sensor measured 
weight of 
passenger)

kg

Display of load (body 
weight) on front 
passenger-side seat

2AJ

PSAB_DepSt 
(Passenger-side air 
bag module 
deployment status)

Inactive/Active



Passenger-side air 
bag module non-
operation (non-
deployment) 
status: Inactive  



Passenger-side air 
bag module 
operation 
(deployment) 
enabled status: 
Active  

2AJ

RES_AB_D 
(Driver-side air 
bag module 
(inflator No.1) 
resistance)

ohm

Under any condition: 
1.5-9.7 ohms

11,1M

RES_AB_P 
(Passenger-side air 
bag module 
(inflator No.1) 
resistance)

ohm

Under any condition: 
1.0-9.7 ohms

U, 1N

RES_AB2_D 
(Driver-side air 
bag module 
(inflator No.2) 
resistance)

ohm

Under any condition: 
1.5-9.7 ohms

1Q, 1U

RES_AB2_P 
(Passenger-side air 
bag module 
(inflator No.2) 
resistance)

ohm

Under any condition: 
1.0-9.7 ohms

1R, 1V

RES_CAB_D 
(Driver-side 
curtain air bag 
module resistance)

ohm

Under any condition: 
1.0-9.7 ohms

2AG, 

2AK

RES_CAB_P 
(Passenger-side 

ohm

Under any condition: 

2AH, 

 

2008 Mazda CX-9 Grand Touring 

2008 RESTRAINTS On-Board Diagnostic (Restraints) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:18:46 AM

Page 15 

© 2005 Mitchell Repair Information Company, LLC. 

DTC B1013 

DTC B1013 DETECTION CONDITION AND POSSIBLE CAUSE 

curtain air bag 
module resistance)

1.0-9.7 ohms

2AL

RES_PT_D 
(Driver-side pre-
tensioner seat belt 
resistance)

ohm

Under any condition: 
1.0-9.7 ohms

2N, 2J

RES_PT_P 
(Passenger-side 
pre-tensioner seat 
belt resistance)

ohm

Under any condition: 
1.0-9.7 ohms

2A, 2E

RES_SAB_D 
(Driver-side side 
air bag module 
resistance)

ohm

Under any condition: 
1.0-9.7 ohms

2B, 2F

RES_SAB_P 
Passenger-side side 
air bag module 
resistance)

ohm

Under any condition: 
1.0-9.7 ohms

21, 2M

TRAK_SW Seat 
track position 
sensor state)

Forward/Rearward



Front seat front 
position: Forward  



Front seat rear 
position: 
Rearward  

2AB, 

2AF

(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.

DTC B1013

Seat weight sensor calibration error

DETECTION 

CONDITION 



Calibration set value not within valid range.  

WARNING:



Detection conditions are for understanding the DTC outline before 
performing an inspection. Performing an inspection according to only the 
detection conditions may cause injury due to an operating error, or damage 
the system. When performing an inspection, always follow the inspection 
procedure.  

POSSIBLE 



Weight acting on front passenger-side seat during calibration  



Improperly installed front passenger-side seat part at time of calibration  



Deformed floor where attached to front passenger-side seat  



Deformed front passenger-side seat under-bracket or frame  

 

2008 Mazda CX-9 Grand Touring 

2008 RESTRAINTS On-Board Diagnostic (Restraints) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:18:46 AM

Page 16 

© 2005 Mitchell Repair Information Company, LLC.