Mazda CX-9 Grand Touring. Manual - part 16

 

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Mazda CX-9 Grand Touring. Manual - part 16

 

 

DIAGNOSTIC PROCEDURE 

DTC B105A DIAGNOSTIC PROCEDURE 

DTC B105B, B110C, B1144, B1145 

DTC B105B, B110C, B1144, B1145 DETECTION CONDITION AND POSSIBLE CAUSE 

POSSIBLE 

CAUSE 

SAS control module malfunction  

ACTION

Replace the SAS control module 

(See SAS CONTROL MODULE REMOVAL/INSTALLATION .) 

DTC

B105B Driver-side side air bag sensor No.2 and other sensor circuits short to power supply

B110C Driver-side side air bag sensor No.2 circuit open or short

B1144

Driver-side side air bag sensor No.2 (internal circuit abnormal)

B1145

Driver-side side air bag sensor No.2 (communication error)

DETECTION 

CONDITION 

Malfunction in wiring harness between driver-side side air bag sensor No.2 and SAS 
control module  

Malfunction in driver-side side air bag sensor No.2 circuit  

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 sensor No.2 

and SAS control module  

Driver-side side air bag sensor No.2 malfunction  

SAS control module malfunction  

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

Sunday, November 15, 2009 10:18:47 AM

Page 61 

© 2005 Mitchell Repair Information Company, LLC. 

DIAGNOSTIC PROCEDURE 

DTC B105B, B110C, B1144, B1145 DIAGNOSTIC PROCEDURE 

STEP

INSPECTION

ACTION

1

INSPECT DRIVER-SIDE SIDE AIR BAG 
SENSOR NO.2 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 sensor 
No.2 connector. (See SIDE AIR BAG 
SENSOR NO. 2 
REMOVAL/INSTALLATION
 .)  

Is there any malfunction of the driver-side side 

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.

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

Sunday, November 15, 2009 10:18:47 AM

Page 62 

© 2005 Mitchell Repair Information Company, LLC. 

air bag sensor No.2 connector?  

2

INSPECT WIRING HARNESS BETWEEN 
DRIVER-SIDE SIDE AIR BAG SENSOR NO.2 
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 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 harnesses between SAS 
control module terminal 2AM and driver-side 
side air bag sensor No.2 terminal A, SAS 
control module terminal 2AI and driver-side 
side air bag sensor No.2 terminal B for the 
following: 

Short to ground  

Yes

Replace the driver-side side air bag 
sensor No.2, then go to the next step. 
(See SIDE AIR BAG SENSOR NO. 
2 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 10:18:47 AM

Page 63 

© 2005 Mitchell Repair Information Company, LLC. 

DTC B105F, B110D, B1146, B1147 

DTC B105F, B110D, B1146, B1147 DETECTION CONDITION AND POSSIBLE CAUSE 

Short to power supply  

Open circuit  

Is the wiring harness normal?  

3

INSPECT SAS CONTROL MODULE  

Connect the SAS control module connector.  

Connect the driver and passenger-side pre-
tensioner seat belt connectors.  

Connect the driver-side side air bag sensor No.2 
connector.  

Connect the driver and passenger-side curtain 
air bag module connectors.  

Connect the driver and passenger-side front seat 
connectors.  

Connect the passenger-side air bag module 
connector.  

Connect the clock spring connector.  

Connect the negative battery cable.  

Turn the ignition switch to the ON position.  

Are DTCs B105B, B110C, B1144 and/or B1145 
indicated?  

Yes

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

No

DTC troubleshooting completed.

DTC

B105F Passenger-side side air bag sensor No.2 and other sensor circuits short to power supply

B110D Passenger-side side air bag sensor No.2 circuit open or short

B1146

Passenger-side side air bag sensor No.2 (internal circuit abnormal)

B1147

Passenger-side side air bag sensor No.2 (communication error)

DETECTION 

CONDITION 

Malfunction in wiring harness between passenger-side side air bag sensor No.2 and 
SAS control module  

Malfunction in passenger-side side air bag sensor No.2 circuit  

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 passenger-side side air bag sensor 

No.2 and SAS control module  

Passenger-side side air bag sensor No.2 malfunction  

 

2008 Mazda CX-9 Grand Touring 

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

  

Microsoft 

 

Sunday, November 15, 2009 10:18:47 AM

Page 64 

© 2005 Mitchell Repair Information Company, LLC. 

 

 

 

 

 

 

 

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