Mazda CX-7 2007 Workshop Manual page 1221

STEP
2 INSPECT DRIVER-SIDE PRE-TENSIONER
SEAT BELT 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 B-pillar lower trim. (See 09-17-
16 B-PILLAR LOWER TRIM REMOVAL/
INSTALLATION.)
• Disconnect the driver-side pre-tensioner seat
belt connector.
• Is there any malfunction of the driver-side
pre-tensioner seat belt connector?
3 VERIFY WHETHER MALFUNCTION IS IN
DRIVER-SIDE PRE-TENSIONER SEAT BELT
OR RELATED WIRING HARNESS
• Connect the leads of the SST (Fuel and
thermometer checker) or apply 2-ohm
resistance to driver-side pre-tensioner seat
belt connector terminals A and B.
• Set the resistance of the SST (Fuel and
thermometer checker) to the 2-ohm
position.
• Connect the negative battery cable.
• Turn the ignition switch to the ON position.
• Are DTCs B1877, B1878, B1879 and/or
B1885 indicated?
4 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 driver-side pre-tensioner seat
belt connector.
• Are DTCs B1877, B1878, B1879 and/or
B1885 indicated?
End Of Sie
ON-BOARD DIAGNOSTIC
INSPECTION
Yes Replace the air bag wiring harness.
No Go to the next step.
Yes Replace the air bag wiring harness, then go to the next step.
No Replace the driver-side pre-tensioner seat belt.
(See 08-11-2 FRONT SEAT BELT REMOVAL/
INSTALLATION.)
Yes Replace the SAS control module.
(See 08-10-10 SAS CONTROL MODULE REMOVAL/
INSTALLATION.)
No DTC troubleshooting completed.
ACTION
08-02–19
08-02