Mazda CX 7. Manual — part 304
ON-BOARD DIAGNOSTIC
08-02–11
08-02
End Of Sie
DTC B1017
id080200820000
Diagnostic procedure
End Of Sie
3
INSPECT FLOOR
• Visually inspect the installation parts of the
passenger-side seat for the following:
— Abnormal floor deformation
— Installation hole of passenger-side seat is
improperly positioned
• Is the floor normal?
Yes
Go to the next step.
No
Repair floor deformation.
• After repair, perform seat weight sensor calibration
and reperform the DTC inspection. If the DTC is
displayed even though the floor has been repaired, go
the next step. (See 08-10-12 SEAT WEIGHT
SENSOR CALIBRATION.)
4
INSPECT SEAT WEIGHT SENSOR CONTROL
MODULE
• Replace the seat weight sensor.
• After replacement, perform seat weight
sensor calibration. (See 08-10-12 SEAT
WEIGHT SENSOR CALIBRATION.)
• Reperform the DTC inspection.
• Is DTC B1013 indicated?
Yes
Replace the seat weight sensor control module.
(See 08-10-11 SEAT WEIGHT SENSOR CONTROL
MODULE REMOVAL/INSTALLATION.)
• After replacement, perform seat weight sensor
calibration and reperform the DTC inspection. If the
DTC is displayed even though the seat weight sensor
control module has been replaced, replace the SAS
control module. (See 08-10-10 SAS CONTROL
MODULE REMOVAL/INSTALLATION.)
No
DTC troubleshooting completed.
STEP
INSPECTION
ACTION
DTC B1017
Deployment prohibited because configuration is not set
DETECTION
CONDITION
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.
• SAS control module configuration has not been set.
POSSIBLE
CAUSE
• SAS control module configuration has not been set
• SAS control module malfunction
STEP
INSPECTION
ACTION
1
CONFIGURATION
• Using the M-MDS perform SAS control
module configuration. (See 08-10-11 SAS
CONTROL MODULE CONFIGURATION.)
• Turn the ignition switch to the ON position.
• Is DTC B1017 indicated?
Yes
[Present malfunction diagnosis]
• When only DTC B1017 is displayed:
— Go to the next step.
• When DTCs except B1017 are also displayed:
— Perform troubleshooting according to the
corresponding DTC inspection (except DTC
B1017).
[Past malfunction diagnosis]
• DTC troubleshooting completed.
No
DTC troubleshooting completed.
2
INSPECT SAS CONTROL MODULE
• Using the M-MDS perform SAS control
module configuration. (See 08-10-11 SAS
CONTROL MODULE CONFIGURATION.)
• Turn the ignition switch to the ON position.
• Is DTC B1017 indicated?
Yes
[Present malfunction diagnosis]
• Replace the SAS control module.
(See 08-10-10 SAS CONTROL MODULE REMOVAL/
INSTALLATION.)
[Past malfunction diagnosis]
• DTC troubleshooting completed.
No
DTC troubleshooting completed.
1871-1U-06B(08-02).fm 11 ページ 2006年3月15日 水曜日 午前11時33分
ON-BOARD DIAGNOSTIC
08-02–12
DTC B1144, B1145
id080200809800
Diagnostic procedure
DTC
B1144
Driver-side side air bag sensor No. 2 system internal circuit disabled
B1145
Driver-side side air bag sensor No. 2 system communication error
DETECTION
CONDITION
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.
• 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
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 (Including incorrect assembly)
• SAS control module malfunction
STEP
INSPECTION
ACTION
1
INSPECT DRIVER-SIDE SIDE AIR BAG
SENSOR NO. 2 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 service warnings and cautions
before handling the air bag system
components.
(See 08-10-3 AIR BAG SYSTEM
SERVICE WARNINGS.)
(See 08-10-5 AIR BAG SYSTEM
SERVICE CAUTIONS.)
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and
wait for 1 min or more.
• Remove the trunk side trim (driver-side).
(See 09-17-24 TRUNK SIDE TRIM
REMOVAL/INSTALLATION.)
• Disconnect the driver-side side air bag
sensor No. 2 connector.
• Is there any malfunction of the driver-side
side air bag sensor No. 2 connector?
Yes
Replace the air bag wiring harness.
No
Go to the next step.
A
B
*
*
*
*
*
*
*
*
*
*
*
*
*
3T
3U
*
3W
3X
SAS CONTROL MODULE WIRING
HARNESS-SIDE CONNECTOR
DRIVER-SIDE SIDE AIR BAG SENSOR NO. 2
WIRING HARNESS-SIDE CONNECTOR
1871-1U-06B(08-02).fm 12 ページ 2006年3月15日 水曜日 午前11時33分
ON-BOARD DIAGNOSTIC
08-02–13
08-02
End Of Sie
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.
• Disconnect the driver and passenger-side
front seat connectors.
• Remove the C-pillar trim.
(See 09-17-17 C-PILLAR TRIM REMOVAL/
INSTALLATION.)
• Remove the D-pillar trim.
(See 09-17-18 D-PILLAR TRIM REMOVAL/
INSTALLATION.)
• Disconnect the driver and passenger-side
curtain air bag module connectors.
• Remove the console.
(See 09-17-13 CONSOLE REMOVAL/
INSTALLATION.)
• Disconnect the SAS control module
connector.
• Disconnect the driver-side side air bag
sensor No. 2 connector.
• Connect the negative battery cable.
• Inspect the wiring harnesses between SAS
control module terminal 3X and driver-side
side air bag sensor No. 2 terminal A, SAS
control module terminal 3W and driver-side
side air bag sensor No. 2 terminal B for the
following:
— Short to ground
— Short to power supply
— Open circuit
• Is the wiring harness normal?
Yes
Replace the driver-side side air bag sensor No. 2, then go
to the next step.
(See 08-10-14 SIDE AIR BAG SENSOR NO. 2
REMOVAL/INSTALLATION.)
No
Replace the air bag wiring harness.
3
INSPECT SAS CONTROL MODULE
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and
wait for 1 min or more.
• Connect the SAS control module connector.
• Connect the driver-side side air bag sensor
No. 2 connector.
• Are DTCs B1144, B1145 indicated?
Yes
[Present malfunction diagnosis]
• Replace the SAS control module.
(See 08-10-10 SAS CONTROL MODULE REMOVAL/
INSTALLATION.)
[Past malfunction diagnosis]
• DTC troubleshooting completed.
No
DTC troubleshooting completed.
STEP
INSPECTION
ACTION
1871-1U-06B(08-02).fm 13 ページ 2006年3月15日 水曜日 午前11時33分
ON-BOARD DIAGNOSTIC
08-02–14
DTC B1146, B1147
id080200809900
Diagnostic procedure
DTC
B1146
Passenger-side side air bag sensor No. 2 system internal circuit disabled
B1147
Passenger-side side air bag sensor No. 2 system communication error
DETECTION
CONDITION
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.
• 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
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 (Including incorrect assembly)
• SAS control module malfunction
STEP
INSPECTION
ACTION
1
INSPECT PASSENGER-SIDE SIDE AIR BAG
SENSOR NO. 2 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 service warnings and cautions
before handling the air bag system
components.
(See 08-10-3 AIR BAG SYSTEM
SERVICE WARNINGS.)
(See 08-10-5 AIR BAG SYSTEM
SERVICE CAUTIONS.)
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and
wait for 1 min or more.
• Remove the trunk side trim (passenger-side).
(See 09-17-24 TRUNK SIDE TRIM
REMOVAL/INSTALLATION.)
• Disconnect the passenger-side side air bag
sensor No. 2 connector.
• Is there any malfunction of the passenger-
side side air bag sensor No. 2 connector?
Yes
Replace the air bag wiring harness.
No
Go to the next step.
A
B
*
*
*
*
*
*
*
*
*
*
*
*
*
3T
3U
*
3W
3X
SAS CONTROL MODULE WIRING
HARNESS-SIDE CONNECTOR
PASSENGER-SIDE SIDE AIR BAG SENSOR NO. 2
WIRING HARNESS-SIDE CONNECTOR
1871-1U-06B(08-02).fm 14 ページ 2006年3月15日 水曜日 午前11時33分
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