2011 Mazda 3 L4-2.5LFACTORY OEM SERVICE PROCEDURE

Keyless Control Module Removal/Installation




KEYLESS CONTROL MODULE REMOVAL/INSTALLATION

1. If the keyless control module is replaced, always perform the following procedure.

- Vehicles with immobilizer system

- Keyless Control Module Configuration Keyless Control Module Configuration
- Immobilizer System-related Parts Programming [No.4 Programming Procedure Due to Keyless Control Module Replacement] Advanced Keyless Entry and Push Button Start System

- Vehicles without immobilizer system

- Keyless Control Module Configuration Keyless Control Module Configuration
- Advanced Key Id Code Registration Advanced Key ID Code Registration
- Steering Lock Unit Id Code Registration Testing and Inspection

2. Disconnect the negative battery cable.

3. Remove the following parts:
a. Passenger-side front scuff plate Front Scuff Plate Removal/Installation

b. Passenger-side front side trim Front Side Trim Removal/Installation

c. Grove compartment Service and Repair

d. Passenger-side lower panel Lower Panel Removal/Installation

4. Remove in the nuts.

Factory service manual diagram





5. Disconnect the connector.

Factory service manual diagram





6. Remove the Keyless control module.

7. Install in the reverse order of removal.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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