Diagnostic Procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Step	Inspection		Action
1	INSPECT DRIVER-SIDE SIDE AIR BAG SENSOR NO. 2 CONNECTOR WARNING: Handling the component parts improperly can accidentally operate (deploy) the air bag module, which may seriously injure you. Read the service warnings/cautions and the Service Information before handling the air bag system components. (See AIR BAG SYSTEM SERVICE WARNINGS .) (See AIR BAG SYSTEM SERVICE CAUTIONS .) Switch the ignition to off. Disconnect the negative battery cable and wait for 1 min or more . Remove the following parts: Rear scuff plate (driver's side) (See REAR SCUFF PLATE REMOVAL/INSTALLATION .) Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION .) Rear side seat back (driver's side) (See REAR SIDE SEAT BACK REMOVAL/INSTALLATION .) Rear tire house trim (driver's side) (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .) Disconnect the driver-side side air bag sensor No. 2 connector. (See SIDE AIR BAG SENSOR NO. 2 REMOVAL/INSTALLATION .) Inspect the driver-side side air bag sensor No. 2 connector. (Corrosion, damage, and disconnected pins) Is there any malfunction of the driver-side side air bag sensor No. 2 connector?	Yes	Replace the driver-side side air bag sensor No. 2 wiring harness.
1		No	Go to the next step.
2	INSPECT WIRING HARNESS BETWEEN SAS CONTROL MODULE AND DRIVER-SIDE SIDE AIR BAG SENSOR NO. 2 Disconnect all SAS control module connectors. Inspect the wiring harnesses between SAS control module connector terminal 1B and driver-side side air bag connector terminal A, and SAS control module terminal 1D and driver-side side air bag sensor No 2 connector terminal B for the following. Short to body ground Open circuit Short circuit between terminals NOTE: Inspect for continuity while shaking the wiring harness between the SAS control module and driver-side side air bag sensor No. 2. Is the wiring harness normal?	Yes	Go to the next step.
2		No	Replace the wiring harness between the SAS control module and the driver-side side air bag sensor No. 2
3	INSPECT THE WIRING HARNESS BETWEEN THE SAS CONTROL MODULE AND DRIVER-SIDE SIDE AIR BAG SENSOR NO. 2 FOR A SHORT CIRCUIT TO THE POWER SUPPLY Connect the negative battery cable. Switch the ignition to ON Measure the voltage of SAS control module connector terminals 1B and 1D of SAS control module harness side connector. NOTE: Measure the voltage while shaking the wiring harness between the SAS control module and driver-side side air bag sensor No 2 Is the voltage measured?	Yes	Replace the wiring harness between the SAS control module and the driver-side side air bag sensor No. 2.
3		No	Replace the driver-side side air bag sensor No. 2, then go to the next step. (See SIDE AIR BAG SENSOR NO. 2 REMOVAL/INSTALLATION .)
4	PERFORM DTC INSPECTION Switch the ignition to off Disconnect the negative battery cable and wait for 1 min or more Connect the driver-side side air bag sensor No. 2 connector Connect the SAS control module connectors Connect the negative battery cable Switch the ignition to ON. Clear DTCs using the M-MDS (See CLEARING DTC .) Perform the DTC inspection for the SAS control module using the M-MDS (See DTC INSPECTION .) Are DTCs B1196:11, B1196:12, B1196:87 and/or 1196:96 displayed?	Yes	Replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION .)
4		No	DTC troubleshooting completed.