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Keyless Receiver Inspection: Notes

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.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Remove the keyless receiver with the connector still connected. (See KEYLESS RECEIVER REMOVAL/INSTALLATION .)
  3. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  4. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (See TERMINAL VOLTAGE TABLE (REFERENCE)) .
    • If the voltage is not as specified in the terminal voltage table (See Terminal Voltage Table (Reference) ), Inspect The Parts Under Inspection Item(S) And Related Wiring Harnesses.
      • If the system does not operate normally even though the parts under Inspection Item(s) and related wiring harnesses do not have any malfunction, replace the keyless receiver.
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