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.
2004 Mazda RX8 2RTR-1.3LFACTORY OEM SERVICE PROCEDURE
Keyless Entry Module: Service and Repair
KEYLESS CONTROL MODULE REMOVAL/INSTALLATION
1. When replacing the keyless control module, perform the following procedure:
- KEYLESS CONTROL MODULE CONFIGURATION
2. Disconnect the negative battery cable.
3. Remove the front side trim.
4. Remove the nut and screw.
5. Remove the connector clip installed to the bracket by shifting the keyless control module downward.
6. Disconnect the keyless control module connector.
7. Push the stopper with a small screwdriver and remove the bracket in the direction shown by the arrow.
8. Install in the reverse order of removal.
9. When replacing the keyless control module of vehicles with the immobilizer system, perform the following procedure:
- IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.
- Transmitter ID code change.
1. When replacing the keyless control module, perform the following procedure:
- KEYLESS CONTROL MODULE CONFIGURATION
2. Disconnect the negative battery cable.
3. Remove the front side trim.
4. Remove the nut and screw.
5. Remove the connector clip installed to the bracket by shifting the keyless control module downward.
6. Disconnect the keyless control module connector.
7. Push the stopper with a small screwdriver and remove the bracket in the direction shown by the arrow.
8. Install in the reverse order of removal.
9. When replacing the keyless control module of vehicles with the immobilizer system, perform the following procedure:
- IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.
- Transmitter ID code change.
Factory Service Tools
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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.
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