Mazda CX-9 Grand Touring. Manual — part 17

DIAGNOSTIC PROCEDURE

DTC B105F, B110D, B1146, B1147 DIAGNOSTIC PROCEDURE



SAS control module malfunction

STEP

INSPECTION

ACTION

1

INSPECT PASSENGER-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 passenger-side side air bag
sensor No.2 connector. (See SIDE AIR BAG
SENSOR NO. 2

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

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REMOVAL/INSTALLATION .)



Is there any malfunction of the passenger-side
side air bag sensor No.2 connector?

2

INSPECT WIRING HARNESS BETWEEN
PASSENGER-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 2AA and passenger-
side side air bag sensor No.2 terminal A, SAS
control module terminal 2AE and passenger-
side side air bag sensor No.2 terminal B for the

Yes

Replace the passenger-side side air bag
sensor No.2, then go to the next step.
(See SIDE AIR BAG SENSOR NO.
2 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 66

© 2005 Mitchell Repair Information Company, LLC.

DTC B110E, B110F, B2856, B2886, B2887

DTC B110E, B110F, B2856, B2886, B2887 DETECTION CONDITION AND POSSIBLE CAUSE

following:



Short to ground



Short to power supply



Open circuit



Is the wiring harness normal?

No

Replace the air bag wiring harness.

3

INSPECT SAS CONTROL MODULE



Connect the SAS control module connector.



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



Connect the passenger-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 B105F, B110D, B1146 and/or B1147
indicated?

Yes

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

No

DTC troubleshooting completed.

DTC

B110E Driver-side side air bag sensor No.2 ID mismatch

B110F Passenger-side side air bag sensor No.2 ID mismatch

B2856 Crash zone sensor ID mismatch
B2886 Passenger-side side air bag sensor No.1 ID mismatch
B2887 Driver-side side air bag sensor No.1 ID mismatch

DETECTION

CONDITION



The SAS control module detects an error of impact magnitude set in the sensor,
which occurs due to installation mismatch of the crash zone sensor or side air
bag sensors.

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.

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 67

© 2005 Mitchell Repair Information Company, LLC.

DIAGNOSTIC PROCEDURE

DTC B110E, B110F, B2856, B2886, B2887 DIAGNOSTIC PROCEDURE

POSSIBLE

CAUSE



Crash zone sensor misinstalled with wrong sensor



Driver-side side air bag sensor No.1 misinstalled with wrong sensor



Passenger-side side air bag sensor No.1 misinstalled with wrong sensor



Driver-side side air bag sensor No.2 misinstalled with wrong sensor



Passenger-side side air bag sensor No.2 misinstalled with wrong sensor

STEP

INSPECTION

ACTION

1

INSPECT EACH SENSOR FOR
INSTALLATION POSITION



Turn the ignition switch to the LOCK
position.



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



Verify that the crash zone sensor or side air
bag sensor is installed in the correct
position.



Is each sensor installed correctly?

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 Go to the next step.

No

Install the each sensor correctly, then go to

the next step.

2

INSPECT SAS CONTROL MODULE



Connect the negative battery cable.



Turn the ignition switch to the ON position.



Are DTCs B110E, B110F, B2856, B2886
and/or B2887 indicated?

Yes

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

No

DTC troubleshooting completed.

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 68

© 2005 Mitchell Repair Information Company, LLC.