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 MANUALSMAZDA2001626 ES V6-2.5L DOHCREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSALARM MODULESERVICE AND REPAIR
2001 Mazda 626 ES V6-2.5L DOHC
Alarm Module: Service and Repair
2001 Mazda 626 ES V6-2.5L DOHCSECTION Service and Repair
IMMOBILIZER UNIT REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the driver's side side panel.
3. Remove the lower panel.
4. Remove in the order as indicated below.
1. Bolt
2. Connector
3. Immobilizer unit
5. Install in the reverse order of removal.
CAUTION: After replacing the immobilizer unit with a new one, the engine cannot be started without reprogramming the ID number of the keys and the code word of the new immobilizer unit. Input the ID number and code word. (See IMMOBILIZER SYSTEM REPROGRAMMING PROCEDURE.)
1. Disconnect the negative battery cable.
2. Remove the driver's side side panel.
3. Remove the lower panel.
4. Remove in the order as indicated below.
1. Bolt
2. Connector
3. Immobilizer unit
5. Install in the reverse order of removal.
CAUTION: After replacing the immobilizer unit with a new one, the engine cannot be started without reprogramming the ID number of the keys and the code word of the new immobilizer unit. Input the ID number and code word. (See IMMOBILIZER SYSTEM REPROGRAMMING PROCEDURE.)
RENDER: 1.0x
NO RELATED
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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.