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

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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

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Sunday, November 15, 2009 10:18:46 AM

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© 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

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Sunday, November 15, 2009 10:18:47 AM

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© 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.