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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Symptom Troubleshooting - Security And Locks) >> Answer-Back Buzzer Does Not Sound [Security And Locks] >> Notes

Answer-Back Buzzer Does Not Sound [Security And Locks]: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
Description  The keyless beeper does not sound when door lock/unlock operation is performed using the remote transmitter button.
Possible Causes 
  • Keyless beeper malfunction
  • Short to power supply in wiring harness between the following terminals:
    • Keyless beeper terminal A and LF control unit terminal H
    • Keyless beeper terminal B and LF control unit terminal J
  • Short to ground in wiring harness between the following terminals:
    • Keyless beeper terminal A and LF control unit terminal H
    • Keyless beeper terminal B and LF control unit terminal J
  • Open circuit in wiring harness between the following terminals:
    • Keyless beeper terminal A and LF control unit terminal H
    • Keyless beeper terminal B and LF control unit terminal J
    • Start stop unit terminal 1AF and ground
    • Start stop unit terminal 2B and ground
  • Personalization feature not set
G10913877