Mazda CX-9 Grand Touring. Manual - part 14

4

(See CLOCK SPRING INSPECTION .) 



Is the clock spring normal?  

No

Replace the clock spring. 

(See CLOCK SPRING 

REMOVAL/INSTALLATION .)

5

INSPECT WIRING HARNESS BETWEEN 
CLOCK SPRING 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 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 1M and clock spring terminal 
1D, SAS control module terminal 11 and clock 
spring terminal 1C 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.

 

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 53 

© 2005 Mitchell Repair Information Company, LLC. 

DTC B1058, B2228, B2230, B2232, B2234

DTC B1058, B2228, B2230, B2232, B2234 DETECTION CONDITION AND POSSIBLE CAUSE 

DIAGNOSTIC PROCEDURE 

DTC B1058, B2228, B2230, B2232, B2234 DIAGNOSTIC PROCEDURE 

DTC

B1058 Driver-side air bag module (inflator No.2) and other air bag module circuits short
B2228 Driver-side air bag module (inflator No.2) circuit short to body ground
B2230 Driver-side air bag module (inflator No.2) circuit short to power supply
B2232 Driver-side air bag module (inflator No.2) circuit resistance high
B2234 Driver-side air bag module (inflator No.2) circuit resistance low

DETECTION 

CONDITION 



Resistance other than 1.5-9.7 ohms detected in driver-side air bag module (inflator 
No.2) circuit  



Malfunction in wiring harness between driver-side air bag module (inflator No.2) 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 clock spring and SAS control module 



Clock spring malfunction  



Driver-side air bag module malfunction  



SAS control module malfunction  

STEP

INSPECTION

ACTION

INSPECT DRIVER-SIDE AIR BAG MODULE 
(INFLATOR NO.2)  



Using the M-MDS, verify the following 

Replace the SAS control module. (See 

 

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 54 

© 2005 Mitchell Repair Information Company, LLC. 

1

PID/DATA monitor. 

(See PID/DATA MONITOR TABLE.) 



RES_AB2_D  



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



Resistance: 1.5-9.7 ohms  

Yes

SAS CONTROL MODULE 
REMOVAL/INSTALLATION .)

No

Go to the next step.

2

INSPECT DRIVER-SIDE AIR BAG MODULE 
CONNECTOR (CLOCK SPRING) 

 



Turn the ignition switch to the LOCK position.  



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



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



Is there any malfunction of the driver-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 air bag 
system 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 AIR BAG MODULE (INFLATOR 
NO.2) OR RELATED WIRING HARNESS  



Connect the leads of the SST (Fuel and 
thermometer checker) or apply 2-ohm resistance 
to driver-side air bag module (inflator No.1) 
connector terminals 3A and 3B, and driver-side 
air bag module (inflator No.2) connector 
terminals 4A and 4B.  



Set the resistance of the SST (Fuel and 

Yes Go to the next step.

No

Replace the driver-side air bag 

module. 

(See DRIVER-SIDE AIR BAG 

MODULE 

 

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 55 

© 2005 Mitchell Repair Information Company, LLC. 

thermometer checker) to the 2-ohm position.  



Connect the negative battery cable.  



Turn the ignition switch to the ON position.  



Are DTCs B1058, B2228, B2230, B2232 and/or 
B2234 indicated?  

REMOVAL/INSTALLATION .)

4

INSPECT CLOCK SPRING  



Inspect the clock spring. 

(See CLOCK SPRING INSPECTION .) 



Is the clock spring normal?  

Yes Go to the next step.

No

Replace the clock spring. 

(See CLOCK SPRING 

REMOVAL/INSTALLATION .)

5

INSPECT WIRING HARNESS BETWEEN 
CLOCK SPRING 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 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 

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 10:18:47 AM

Page 56 

© 2005 Mitchell Repair Information Company, LLC.