2002 Pontiac Aztek FWDFACTORY OEM SERVICE PROCEDURE

Keyless Entry System Description and Operation: Notes

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

The keyless entry system is a supplementary vehicle entry device. Radio frequency interference or discharged batteries may disable the system.

Keyless entry allows you to operate the following components:

  • The door locks
  • The rear compartment lid release
  • The illuminated entry lamps
  • The panic alarm (instant alarm)

The keyless entry system has the following main components:

  • The transmitters
  • The body control module (BCM)
  • The Remote Control Door Lock

Receiver (RCDLR). When you press a button on the transmitter, the transmitter sends a signal to the RCDLR. The RCDLR receives the signal and sends a class II serial data message requesting the appropriate function from the BCM.

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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.