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.

MAP IS NOT DISPLAYED (ENTERTAINMENT SYSTEM - WITH CENTER DISPLAY) - DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	VERIFY DTCs Is a DTC displayed?	Yes	Perform the applicable DTC troubleshooting.
1	VERIFY DTCs Is a DTC displayed?	No	Go to the next step.
2	VERIFY SD CARD TAB Switch the ignition OFF (LOCK). Remove the SD card. Is the SD card tab unlocked?	Yes	Go to the next step.
2		No	Unlock the tab on the SD card, then go to the next step. (Navigation cannot be launched with the tab locked)
3	VERIFY SD CARD IDENTIFICATION CONDITION Switch the ignition OFF (LOCK). Remove the SD card. Unlock the tab on the SD card. (Navigation cannot be launched with the tab locked) Lock the doors and leave the vehicle for 5 min or more. (to stop the system completely) Unlock the doors (door closed) and start the engine. Wait until FM or compass screen is displayed in the center display. (to wait for the CMU to launch) Insert the SD card. Is [SD CARD INSERTED] displayed in the center display?	Yes	Only [SD CARD INSERTED] is displayed: Go to the next step. [INVALID SD CARD] is displayed subsequently: Replace the SD card, then go to Step 6.
3		No	Go to the next step.
4	VERIFY NAVIGATION OPERATION Start the engine. Operate the NAVI button. Is the map displayed in the center display?	Yes	System is normal.
4		No	Go to the next step.
5	RESTART CMU SYSTEM AND VERIFY IF MALFUNCTION RECURS 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] .) Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Switch the ignition OFF (LOCK). Lock the doors and leave the vehicle for 5 min or more. Unlock the doors and start the engine. Wait until FM or compass screen is displayed in the center display. Insert the SD card. Is [SD CARD INSERTED] displayed in the center display?	Yes	Replace the CMU, then go to the next step.(See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION .)
5		No	Replace the auxiliary jack/USB port/SD card slot hub, then go to the next step. (See AUXILIARY JACK/USB PORT REMOVAL/INSTALLATION .)
6	VERIFY NAVIGATION OPERATION Operate the NAVI button. Is the map displayed in the center display?	Yes	System is normal.
6		No	Repeat the diagnosis from Step 1. If the malfunction recurs, replace the CMU. (See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION .)