Mazda CX-9 Grand Touring. Manual — part 21

DIAGNOSTIC PROCEDURE

DTC C1946, C1947, C1948, C1981, C1982 DIAGNOSTIC PROCEDURE

STEP

INSPECTION

ACTION

1

INSPECT SEAT TRACK POSITION SENSOR
CIRCUIT



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

(See PID/DATA MONITOR TABLE.)



TRAK_SW



Is the seat track position sensor circuit
normal?

Yes

[Present malfunction diagnosis]



Replace the SAS control module.

(See SAS CONTROL MODULE
REMOVAL/INSTALLATION .)

[Past malfunction diagnosis]



DTC troubleshooting completed.

No

Go to next step.

INSPECT WIRING HARNESS BETWEEN
SEAT TRACK POSITION SENSOR AND SAS
CONTROL MODULE

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

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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2



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 .)



Disconnect the seat track position sensor

system components.

(See AIR BAG SYSTEM SERVICE
WARNINGS .)

(See AIR BAG SYSTEM SERVICE
CAUTIONS .)

Yes

Replace the seat track position sensor,
then go to next step.

No

Replace wiring harness, then go to 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

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connector



Inspect the wiring harness between SAS
control module terminal and seat track
position sensor terminals for short to ground,
short to power supply, and open circuit:



2AB-A



2AF-C



Is the wiring harness normal?

3

INSPECT SAS CONTROL MODULE



Connect the SAS control module connector.



Connect the clock spring connector.



Connect the passenger-side air bag module
connector.



Connect the driver-and passenger-side front
seat connectors.



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



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



Connect the seat track position sensor
connector.



Are DTCs C1946, C1947, C1948, C1981
and/or C1982 indicated?

Yes

[Present malfunction diagnosis]



Replace the SAS control module.

(See SAS CONTROL MODULE
REMOVAL/INSTALLATION .)

[Past malfunction diagnosis]



DTC troubleshooting completed.

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 83

© 2005 Mitchell Repair Information Company, LLC.

2008 RESTRAINTS

Symptom Troubleshooting (Restraints) - Mazda CX-9

AIR BAG SYSTEM WIRING DIAGRAM (SYMPTOM TROUBLESHOOTING)

2008 Mazda CX-9 Grand Touring

2008 RESTRAINTS Symptom Troubleshooting (Restraints) - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 RESTRAINTS Symptom Troubleshooting (Restraints) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:17:14 AM

Page 1

© 2005 Mitchell Repair Information Company, LLC.

Microsoft

Sunday, November 15, 2009 10:17:26 AM

Page 1

© 2005 Mitchell Repair Information Company, LLC.