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Keyless Receiver Inspection: Notes

WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the following parts:
    1. Wind blocker (See WIND BLOCKER REMOVAL/INSTALLATION .)
    2. Seat (LH) (See SEAT REMOVAL/INSTALLATION .)
    3. Scuff plate (LH) (See SCUFF PLATE REMOVAL/INSTALLATION .)
    4. Tire house trim (LH) (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
    5. Side shelf (LH) (See SIDE SHELF REMOVAL/INSTALLATION .)
  3. Disconnect the connector from the keyless receiver.
  4. Remove the keyless receiver. (See KEYLESS RECEIVER REMOVAL/INSTALLATION .)
  5. Reconnect the connector.
  6. Connect the negative battery cable. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  7. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).
    • If the voltage is not as specified in the 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. (See KEYLESS RECEIVER REMOVAL/INSTALLATION .)
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