Mazda 6 2002, Руководство по ремонту

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ON-BOARD DIAGNOSTIC [AIR BAG SYSTEM]
T–213
T
End Of Sie
DTC B1996, B1997, B1998, B1999
A6E817401046W16
3 VERIFY WHETHER MALFUNCTION IS IN
DRIVER-SIDE SIDE AIR BAG MODULE OR
RELATED WIRING HARNESS
•
Connect leads of SST (Fuel and
thermometer checker) or apply 2 ohm
resistor to driver-side side 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 TABLE )
— OD_DSAB_ST
•
Is related wiring harness normal?
Yes Replace driver-side side air bag module.
(See
T–121 SIDE AIR BAG MODULE REMOVAL/
INSTALLATION )
No Replace wiring harness, then go to next step.
4 INSPECT SAS UNIT
•
Turn ignition switch to LOCK position.
•
Disconnect negative battery cable and wait
for
more than 1 minute .
•
Connect driver-side side air bag module
connector.
•
Are DTCs B1992, B1993, B1994 and/or
B1995 indicated?
Yes Present malfunction diagnosis:
•
Replace SAS unit.
(See
T–124 SAS UNIT REMOVAL/INSTALLATION )
Past malfunction diagnosis:
•
Troubleshooting completed.
No Troubleshooting completed.
STEP INSPECTION ACTION
DTC
B1996 Passenger-side side air bag module system circuit short to power supply
B1997 Passenger-side side air bag module system circuit short to ground
B1998 Passenger-side side air bag module system resistance high
B1999 Passenger-side side air bag module system resistance low
DETECTION
CONDITION
Warning
•
Detection conditions are for understanding DTC outline before performing inspection.
Performing inspection with only detection conditions may cause injury due to operating error
or damage the system. When performing inspection, always follow inspection procedure.
•
Abnormal resistance (other than 1.4—3.2 ohm ) detected in passenger-side side air bag module circuit
•
Malfunction in wiring harness between passenger-side side air bag module and SAS unit
POSSIBLE
CAUSE
•
Open or short circuit in wiring harness between passenger-side side air bag module and SAS unit
•
Passenger-side side air bag module malfunction
•
SAS unit malfunction