Mazda 6 2002 Workshop Manual page 1079

ON-BOARD DIAGNOSTIC [AIR BAG SYSTEM]
STEP
3 VERIFY WHETHER MALFUNCTION IS IN
PASSENGER-SIDE CURTAIN AIR BAG
MODULE OR RELATED WIRING HARNESS
• Connect leads of SST (Fuel and
thermometer checker) or apply 2 ohm
resistor to passenger-side curtain air bag
module connector terminal A and B.
• Set resistance of SST (Fuel and
thermometer checker) to 2 ohm.
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Check following PID/DATA monitor, using
SST (WDS or equivalent).
(See T–195 PID/DATA MONITOR
— DO_P_CURT
• Is related wiring harness normal?
4 INSPECT SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait
for more than 1 minute.
• Connect passenger-side curtain air bag
module connector.
• Are DTCs B2777, B2778, B2779 and/or
B2780 indicated?
End Of Sie
DTC B2867
DTC B2867 SAS unit connector poor connection
Warning
• • • • Detection conditions are for understanding DTC outline before performing inspection.
DETECTION
Performing inspection with only detection conditions may cause injury due to operating error
CONDITION
or damage the system. When performing inspection, always follow inspection procedure.
• There is no continuity between poor connection detector bar terminals of SAS unit.
• Poor connection of any SAS unit connectors
POSSIBLE
• Malfunction of any SAS unit connectors
CAUSE
• SAS unit malfunction
INSPECTION
TABLE)
Yes Replace passenger-side curtain air bag module.
(See T–122 CURTAIN AIR BAG MODULE REMOVAL/
INSTALLATION)
No Replace wiring harness, then go to net step.
Yes Present malfunction diagnosis:
• Replace SAS unit.
(See T–124 SAS UNIT
Past malfunction diagnosis:
• Troubleshooting completed.
No Troubleshooting completed.
ACTION
REMOVAL/INSTALLATION)
A6E817401046W25
T–227
T