Diagnostic Procedure

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DTC B00A0:28 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] - DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	PERFORM SAS CONTROL MODULE CONFIGURATION (AS-BUILT DATA USE) Perform the SAS control module configuration using the M-MDS. (See SAS CONTROL MODULE CONFIGURATION (USING AS-BUILT DATA) [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] .) Is the same DTC present?	Yes	Go to the next step.
1		No	DTC troubleshooting completed.
2	INSPECT SEAT CUSHION Inspect the seat cushion. Is the seat cushion damp?	Yes	Seat cushion is dry. Perform the DTC inspection again. If the same DTC is displayed, go to the next step.
2		No	Go to the next step.
3	INSPECT FRONT SEAT WARMER Inspect the front seat warmer. (See FRONT SEAT WARMER CONTROL UNIT INSPECTION .) Is the front seat warmer normal?	Yes	Go to the next step.
3		No	Replace the front seat warmer. (See FRONT SEAT BACK TRIM REMOVAL/INSTALLATION .) (See FRONT SEAT CUSHION TRIM REMOVAL/INSTALLATION .) After replacement of seat cushion trim, perform occupant classification sensor calibration and reperform the DTC inspection. If the DTC is displayed, go the next step. (See OCCUPANT CLASSIFICATION SENSOR CALIBRATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
4	INSPECT POWER SEAT Inspect the power seat. (See POWER SEAT SWITCH INSPECTION .) (See LIFT MOTOR INSPECTION .) (See SLIDE MOTOR INSPECTION .) (See RECLINER MOTOR INSPECTION .) Is the power seat normal?	Yes	Go to the next step.
4		No	Replace the malfunctioning parts. After replacement of seat cushion trim, perform occupant classification sensor calibration and reperform the DTC inspection. If the DTC is displayed, go the next step. (See OCCUPANT CLASSIFICATION SENSOR CALIBRATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
5	INSPECT PASSENGER-SIDE SEAT Switch the ignition to off. Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .) Remove the passenger-side seat and visually inspect for the following: Seat under-bracket deformation Seat frame deformation Foreign objects stuck in seat Are any of the parts deformed or are any foreign objects stuck in the seat?	Yes	Replace the malfunctioning parts. (See FRONT SEAT BACK TRIM REMOVAL/INSTALLATION .) (See FRONT SEAT CUSHION TRIM REMOVAL/INSTALLATION .) After replacement of seat cushion trim, perform occupant classification sensor calibration and reperform the DTC inspection. If the DTC is displayed, go the next step. (See OCCUPANT CLASSIFICATION SENSOR CALIBRATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
5		No	Go to the next step.
6	INSPECT FLOOR Visually inspect the installation parts of the front passenger-side seat for the following: Abnormal floor deformation Installation hole of front passenger-side seat is improperly positioned Is the floor normal?	Yes	Go to the next step.
6		No	Repair floor deformation. After repair, perform occupant classification sensor calibration and reperform the DTC inspection. If the DTC is displayed even though the floor has been repaired, go the next step. (See OCCUPANT CLASSIFICATION SENSOR CALIBRATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
7	INSPECT OCCUPANT CLASSIFICATION SENSOR Replace the occupant classification sensor. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .) Switch the ignition ON (engine off or on). After replacement, perform occupant classification sensor calibration. (See OCCUPANT CLASSIFICATION SENSOR CALIBRATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] .) Is the same DTC present?	Yes	Replace the occupant classification sensor. (See OCCUPANT CLASSIFICATION SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) After replacement, perform occupant classification sensor calibration and reperform the DTC inspection. If the DTC is displayed even though the occupant classification sensor has been replaced, replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
7		No	DTC troubleshooting completed.