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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Symptom Troubleshooting - Security And Locks >> Lock/Unlock Operation Not Possible Using Remote Transmitter >> Notes
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Lock/Unlock Operation Not Possible Using Remote Transmitter: Notes

LOCK/UNLOCK OPERATION NOT POSSIBLE USING REMOTE TRANSMITTER DESCRIPTION AND POSSIBLE CAUSE

Description LOCK/UNLOCK OPERATION NOT POSSIBLE USING REMOTE TRANSMITTER
  • The door lock/unlock operation using the remote transmitter button is not possible.
Possible Causes
  • ROOM fuse malfunction or poor installation
  • Remote transmitter battery power low
  • Remote transmitter registration not completed correctly
  • Keyless receiver malfunction
  • Remote transmitter malfunction
  • Faulty remote transmitter battery
  • Open circuit in wiring harness between the following terminals:
  • Keyless receiver terminal A and start stop unit terminal 2Q
  • Keyless receiver terminal B and start stop unit terminal 2R
  • Start stop unit terminal 1AF and ground
    • Start stop unit terminal 2B and ground
  • Connector poor contact or terminal damage
  • Customer's mis-operation or misunderstanding
  • Effect of non-standard equipment (any control unit with built-in microcomputer such as radio set, mobile telephone, and TV)
G13700725Courtesy of MAZDA MOTORS CORP.