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.
2012 Mazda CX-9 FWD V6-3.7LFACTORY OEM SERVICE PROCEDURE
Keyless Entry Module: Service and Repair
KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM]
NOTE:
- If the keyless control module is replaced, always perform the following procedure.
- Keyless control module configuration Keyless Control Module Configuration
- Advanced key programming Clearing Advanced Key
- Steering lock unit programming Steering Lock Unit ID Code Registration
- Immobilizer system resetting (with immobilizer system) Advanced Keyless Entry And Start System
1. Disconnect the negative battery cable.
2. Remove the dashboard under cover (Driver side). Dashboard Under Cover Removal/Installation
3. Remove the auto light/wiper control module. (Vehicles with auto light/wiper system) Auto Light/Wiper Control Module Removal/Installation
4. Remove the auto light-off control module. (Vehicles without auto light/wiper system) Auto Light-OFF Control Module Removal/Installation
5. Remove in the order indicated in the table.
6. 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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