Acura NSX 1997 Service Manual page 1511

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Power Door Locks
Keyless Buzzer Test/Replacement
1. Open the hood.
2. Disconnect the 2P connector (A) from the keyless
buzzer (B).
3. Test the buzzer by connecting battery power to the
No. 2 terminal and grounding the No. 1 terminal.
You should hear a slight chirp.
4. If the buzzer fails to sound, remove the two mounting
screws, and replace the buzzer.
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