IMMOBILIZER SYSTEM
id091400107700
Outline
• The immobilizer system is a vehicle theft prevention device that only allows remote transmitters that have been previously programmed to the vehicle to start the engine.
• The start stop unit performs immobilizer system fail-safe. (See
START STOP UNIT.)
Structural View
System Wiring Diagram
Function
• The immobilizer system-related parts programmed to the immobilizer system have a programmed key ID number, and starting the engine is only permitted when the key ID number matches.
• Immobilizer system-related parts can be programmed using the Mazda Modular Diagnostic System (M-MDS).
• A maximum 6 remote transmitters can be programmed to one vehicle.
• If the following parts are replaced, it is necessary to program them to the immobilizer system.
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― Remote transmitter (transponder)
― PCM
― Start stop unit
Key code read function
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• The coil antenna is integrated with the push button start.
• By touching the upper part of the remote transmitter to the push button start, the coil antenna reads the key code from the transponder integrated with the remote transmitter.
Operation
• Operate in the following order to allow engine starting.
