Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYDESCRIPTION AND OPERATIONREMOTE KEYLESS ENTRY SYSTEM CIRCUIT DESCRIPTIONREMOTE CONTROL DOOR LOCK RECEIVER CIRCUIT DESCRIPTION
1999 Chevrolet Astro Van 2WD V6-4.3L VIN W
Remote Control Door Lock Receiver Circuit Description
1999 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Remote Control Door Lock Receiver Circuit Description
The power door locks/remote control door lock receiver system allows the driver to operate the vehicle door locks. The driver can operate the door lock from the outside of the vehicle. The driver uses a hand-held radio transmitter. The transmitter operates in the UHF band. The transmitter sends coded signals to the remote control door lock receiver. The remote control door lock receiver detects and decodes the signal. The remote control door lock receiver issues signals in order to control the following locks:
^ The front doors
^ The side doors
^ The rear door
These Systems also operate in the usual manner. The door locks will respond to the power door lock switches. For more information on the operation of the liftgate release system refer to the Schematics in Body Rear End.
^ The front doors
^ The side doors
^ The rear door
These Systems also operate in the usual manner. The door locks will respond to the power door lock switches. For more information on the operation of the liftgate release system refer to the Schematics in Body Rear End.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.