Home

Mazdamanuals.com

NO AM/FM RADIO SOUND OUTPUT

NO AM/FM RADIO SOUND OUTPUT


id160300000700


Outline

Possible cause
•  AM/FM antenna malfunction
•  Connectivity master unit (CMU) malfunction


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY ALL SYSTEM DTCs
•  Perform the DTC inspection.
(Refer to the [DTC INSPECTION] in the workshop manual)
•  Are any DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
2
INSPECT AM/FM ANTENNA FOR MALFUNCTION
•  Perform diagnostic assist function “Antenna Connection Status” AM/FM test.
•  Is the part normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
(Refer to the [REAR WINDOW GLASS REMOVAL/INSTALLATION] in the workshop manual)
Repair completion verification
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Has the malfunction symptom been eliminated?
Yes
Complete the symptom troubleshooting. (Explain contents of repair to customer)
No
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(Refer to the [CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW] in the workshop manual)
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction is not resolved, replace the connectivity master unit (CMU).
(Refer to the [CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION] in the workshop manual)