Diagnostic Procedure

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	PERFORM INSTRUMENT CLUSTER DTC INSPECTION Perform the instrument cluster DTC inspection using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are any DTCs present?	Yes	Perform the applicable DTC inspection. (See DTC TABLE [INSTRUMENT CLUSTER] .)
1		No	Go to the next step.
2	INSPECT INDICATOR UNIT CONNECTOR Switch the ignition off. Disconnect the negative battery cable and wait for 1 min or more. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Disconnect the indicator unit connector. (See INDICATOR UNIT REMOVAL/INSTALLATION .) Inspect the indicator unit terminal for poor connection (such as damaged/pulled-out pins, and corrosion). Is there any malfunction?	Yes	Replace the malfunctioning part, then go to Step 4.
2		No	Go to the next step.
3	INSPECT INDICATOR UNIT Inspect the indicator unit. (See INDICATOR UNIT INSPECTION .) Is there any malfunction?	Yes	Replace the indicator unit. (See INDICATOR UNIT REMOVAL/INSTALLATION .) Go to the next step.
3		No	Go to the next step.
4	PERFORM SAS CONTROL MODULE DTC INSPECTION Reconnect all disconnected connectors. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Switch the ignition ON (engine off or on). Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)] .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)] .) Are the same DTCs present?	Yes	Replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
4		No	DTC troubleshooting completed.