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.

NO NAVIGATION GUIDANCE VOICE OUTPUT (ENTERTAINMENT SYSTEM - WITH CENTER DISPLAY) - DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	VERIFY VOLUME SETTING Switch the ignition to ACC or ON (engine off or on). Select the navigation mode by operating the commander switch or the center display. Operate the navigation guidance audio by operating the commander switch or the steering switch. Is navigation guidance audio output according to the operation?	Yes	System is normal.
1		No	Go to the next step.
2	VISUALLY INSPECT SD CARD Switch the ignition OFF. Visually inspect the SD card for looseness or damage. Is the SD card normal?	Yes	Go to the next step.
2		No	System is normal. (explain to the customer that there is a malfunction in SD card.)
3	INSPECT GPS ANTENNA CONNECTOR Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Disconnect the GPS antenna connector. Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection. Is the connector normal?	Yes	Replace the auxiliary jack/USB port/SD card slot hub, then go to the next step. (See AUXILIARY JACK/USB PORT/SD CARD SLOT HUB REMOVAL/INSTALLATION .)
3		No	Repair or replace the connector, then go to Step 5.
4	VERIFY IF MALFUNCTION CAUSE IS GPS ANTENNA Replace the GPS antenna. (See GLOBAL POSITIONING SYSTEM (GPS) ANTENNA REMOVAL/INSTALLATION .) Connect all the connectors. Reconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Insert the SD card when the malfunction occurred. Switch the ignition to ACC or ON (engine off or on). Select navigation by operating the center display or the commander switch. Set to an optional destination and operate the navigation function. Is navigation guidance audio output according to the operation?	Yes	Go to the next step.
4		No	Replace the CMU, then go to the next step. (See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION .)
5	VERIFY IF MALFUNCTION CAUSE IS CORRECTED Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Connect all the connectors. Reconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Insert the SD card when the malfunction occurred. Switch the ignition to ACC or ON (engine off or on). Select navigation by operating the center display or the commander switch. Set to an optional destination and operate the navigation function. Is navigation guidance audio output according to the operation?	Yes	Troubleshooting completed. (Explain the contents of the servicing to the customer.)
5		No	Verify the malfunction symptom in the symptom troubleshooting chart and perform the other applicable malfunction diagnosis. (See SYMPTOM TROUBLESHOOTING [ENTERTAINMENT SYSTEM [WITH CENTER DISPLAY]] .)