Advanced Keyless Entry System Does Not Operate: Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
ADVANCED KEYLESS ENTRY SYSTEM DOES NOT OPERATE [SECURITY AND LOCKS (US)] DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
- Cannot unlock even if door release touch sensor is touched.
- Cannot lock even if door lock touch sensor is touched.
|
| Possible cause |
- Remote transmitter is in power-saving function
- Battery used for remote transmitter is not effective
- Battery other than CR2032 is used
- Battery is inserted in opposite direction
- Remote transmitter malfunction
- Connector or terminal malfunction of the following parts:
- Front outer handle
- Keyless receiver
- LF control module
- BCM
- Door-electrical supply unit
- Front door latch and lock actuator
- Door lock-link switch (front door latch and lock actuator)
- Short to ground or open circuit in keyless antenna (front outer handle) signal circuit
- Short to ground or open circuit in touch sensor (front outer handle) signal circuit
- Short to ground or open circuit in keyless receiver signal circuit
- Open circuit in keyless receiver ground circuit
- Short to ground or open circuit in door lock-link switch (front door latch and lock actuator) signal circuit
- Open circuit in door lock-link switch (front door latch and lock actuator) ground circuit
- Front outer handle malfunction
- Keyless receiver malfunction
- Front door latch and lock actuator malfunction
- LF control unit malfunction
- Door-electrical supply unit malfunction
|
 Courtesy of MAZDA MOTORS CORP.
|
 Courtesy of MAZDA MOTORS CORP.
|