Mazda CX-9 Grand Touring. Manual - part 6

DTC B1047, B1992, B1993, B1994, B1995 

DTC B1047, B1992, B1993, B1994, B1995 DETECTION CONDITION AND POSSIBLE CAUSE 

4



Disconnect the clock spring connector. (See 
COMBINATION SWITCH 
REMOVAL/INSTALLATION .)  



Remove the glove compartment. (See GLOVE 
COMPARTMENT 
REMOVAL/INSTALLATION .)  



Disconnect the passenger-side air bag module 
connector. (See PASSENGER-SIDE AIR 
BAG MODULE 
REMOVAL/INSTALLATION .)  



Disconnect the driver and passenger-side front 
seat connectors. (See FRONT SEAT 
REMOVAL/INSTALLATION .)  



Disconnect the driver and passenger-side 
curtain air bag module connectors. (See 
CURTAIN AIR BAG MODULE 
REMOVAL/INSTALLATION .)  



Remove the B-pillar lower trim. (See B-
PILLAR LOWER TRIM 
REMOVAL/INSTALLATION .)  



Disconnect the driver and passenger-side pre-
tensioner seat belt connectors. (See FRONT 
SEAT BELT 
REMOVAL/INSTALLATION .)  



Disconnect the SAS control module connectors. 
(See SAS CONTROL MODULE 
REMOVAL/INSTALLATION .)  



Inspect the wiring harness between SAS control 
module terminal 2AK and driver-side curtain 
air bag module terminal A, SAS control module 
terminal 2AG and driver-side curtain air bag 
module terminal B for the following: 



Short to ground  



Short to power supply  



Open circuit  



Is the wiring harness normal?  

Yes

Replace the SAS control module. (See 
SAS CONTROL MODULE 
REMOVAL/INSTALLATION .)

No

Replace the air bag wiring harness.

DTC

B1047 Driver-side side air bag module and other air bag module circuits short
B1992 Driver-side side air bag module circuit short to power supply
B1993 Driver-side side air bag module circuit short to body ground

 

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 21 

© 2005 Mitchell Repair Information Company, LLC. 

DIAGNOSTIC PROCEDURE 

DTC B1047, B1992, B1993, B1994, B1995 DIAGNOSTIC PROCEDURE 

B1994 Driver-side side air bag module circuit resistance high
B1995 Driver-side side air bag module circuit resistance low

DETECTION 

CONDITION 



Resistance other than 1.0-9.7 ohms detected in driver-side side air bag module circuit 



Malfunction in wiring harness between driver-side side air bag module and SAS 
control module  

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 

CAUSE 



Open or short circuit in wiring harness between driver-side side air bag module and 

SAS control module  



Driver-side side air bag module malfunction  



SAS control module malfunction  

STEP

INSPECTION

ACTION

1

INSPECT DRIVER-SIDE SIDE AIR BAG 
MODULE  



Using the M-MDS, verify the following 
PID/DATA monitor. 

(See PID/DATA MONITOR TABLE.) 

Yes

Replace the SAS control module. (See 
SAS CONTROL MODULE 
REMOVAL/INSTALLATION .)

 

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 22 

© 2005 Mitchell Repair Information Company, LLC. 



RES_SAB_D  



Is the resistance of the driver-side side air bag 
module normal? 



Resistance: 1.0-9.7 ohms  

No

Go to the next step.

2

INSPECT DRIVER-SIDE SIDE AIR BAG 
MODULE CONNECTOR 

 



Turn the ignition switch to the LOCK position.  



Disconnect the negative battery cable and wait 
for 1 min or more .  



Disconnect the driver-side side air bag module 
connector. (See SIDE AIR BAG MODULE 
REMOVAL/INSTALLATION .)  



Is there any malfunction of the driver-side side 
air bag module connector?  

WARNING:



Handling the air bag system components 
improperly can accidentally deploy the air 
bag modules and pre-tensioner seat belts, 
which may seriously injure you. Read the 
service warnings and cautions before 
handling the air bag system components. 

(See AIR BAG SYSTEM SERVICE 
WARNINGS .) 

(See AIR BAG SYSTEM SERVICE 
CAUTIONS .) 

Yes Replace the air bag wiring harness.

No

Go to the next step.

3

VERIFY WHETHER MALFUNCTION IS IN 
DRIVER-SIDE SIDE AIR BAG MODULE OR 
RELATED WIRING HARNESS  



Connect the leads of the SST (Fuel and 
thermometer checker) or apply 2-ohm 
resistance to driver-side side air bag module 
connector terminals A and B.  



Set the resistance of the SST (Fuel and 
thermometer checker) to the 2-ohm position.  



Connect the negative battery cable.  



Turn the ignition switch to the ON position.  



Are DTCs B1047, B1992, B1993, B1994, 
and/or B1995 indicated?  

Yes Go to the next step.

No

Replace the driver-side side air bag 

module. (See SIDE AIR BAG 

MODULE 

REMOVAL/INSTALLATION .)

 

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 23 

© 2005 Mitchell Repair Information Company, LLC. 

4

INSPECT WIRING HARNESS BETWEEN 
DRIVER-SIDE SIDE AIR BAG MODULE AND 
SAS CONTROL MODULE  



Turn the ignition switch to the LOCK position.  



Disconnect the negative battery cable and wait 
for 1 min or more.  



Remove the column cover. (See COLUMN 
COVER REMOVAL/INSTALLATION .)  



Disconnect the clock spring connector. (See 
COMBINATION SWITCH 
REMOVAL/INSTALLATION .)  



Remove the glove compartment. (See GLOVE 
COMPARTMENT 
REMOVAL/INSTALLATION .)  



Disconnect the passenger-side air bag module 
connector. (See PASSENGER-SIDE AIR 
BAG MODULE 
REMOVAL/INSTALLATION .)  



Disconnect the passenger-side front seat 
connector. (See FRONT SEAT 
REMOVAL/INSTALLATION .)  



Disconnect the driver and passenger-side 
curtain air bag module connectors. (See 
CURTAIN AIR BAG MODULE 
REMOVAL/INSTALLATION .)  



Remove the B-pillar lower trim. (See B-
PILLAR LOWER TRIM 
REMOVAL/INSTALLATION .)  



Disconnect the driver and passenger-side pre-
tensioner seat belt connectors. (See FRONT 
SEAT BELT 
REMOVAL/INSTALLATION .)  



Disconnect the SAS control module connectors. 
(See SAS CONTROL MODULE 
REMOVAL/INSTALLATION .)  



Inspect the wiring harness between SAS control 
module terminal 2F and driver-side side air bag 
module terminal A, SAS control module 
terminal 2B and driver-side side air bag module 
terminal B for the following: 



Short to ground  



Short to power supply  

Yes

Replace the SAS control module. (See 
SAS CONTROL MODULE 
REMOVAL/INSTALLATION .)

No

Replace the air bag wiring harness.

 

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 24 

© 2005 Mitchell Repair Information Company, LLC.