Mazda 626 Station Wagon, Workshop Manual

Page: 515 / 577

ON-BOARD DIAGNOSTIC
STEP INSPECTION ACTION
2
INSPECT SEPARATOR* OF
PASSENGER-SIDE SIDE AIR BAG MODULE
CONNECTOR
Warning
• Handling air bag system components
improperly can accidentally deploy
air bag modules and pre-tensioner
seat belts, which may seriously Injure
you. Read AIR BAG SYSTEM
SERVICE WARNINGS before handling
air bag system components. See
T-56 SERVICE WARNINGS
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait
for more than 1 minute.
• Disconnect passenger-side side air bag
module connector.
• Is separator* of passenger-side side air
bag module connector okay?
*: Consists of two parts of female connector
that separate short bar from terminal when
connected to male connector.
Yes Present malfunction diagnosis:
• Go to next step.
Past malfunction diagnosis:
• Go to Step 4.
No Replace wiring harness.
3 VERIFY WHETHER MALFUNCTION IS IN
PASSENGER-SIDE SIDE AIR BAG MODULE
OR OTHER PARTS
• Connect leads of SST (Fuel And
Thermometer checker) or apply 2 £2
resistor to passenger-side side air bag
module connector terminals A and B.
• Set resistance of SST (Fuel And
Thermometer checker) to 2 i l
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Is DTC 37 indicated?
Yes Go to next step.
No
Replace passenger-side side air bag module.
(See Section T)
4
INSPECT WIRING HARNESS BETWEEN
PASSENGER-SIDE SIDE AIR BAG MODULE
AND SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait
for more than 1 minute.
• Remove clock spring.
(See Section T)
• Remove glove compartment.
• Disconnect passenger-side air bag module
connector.
• Disconnect driver-side side ail' bag module
connector.
• Remove B-pillar lower trims.
• Disconnect driver and passenger-side
pre-tensioner seat belt connectors.
• Remove side walls.
• Disconnect all SAS unit connectors.
• Inspect following wiring harness between
SAS unit and passenger-side side air bag
module terminals (harness side) for short
to ground, short to power supply, and open
circuit:
— 11 and A
— 1K and B
• Are wiring harnesses okay?
Yes Present malfunction diagnosis:
• Replace SAS unit.
(See T-59 SAS UNIT REMOVAL/INSTALLATION)
Past malfunction diagnosis:
• Replace passenger-side side air bag module.
(See Section T)
No Replace wiring harnesses.
T -9 3