Engine Control System: Overview Mazda 3 BK

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1. When replacing the PCM, perform the following: PCM configuration (See «PCM CONFIGURATION».)
2. Remove the battery cover, battery duct, battery and battery tray with PCM. (See BATTERY REMOVAL/INSTALLATION .)
3. Disconnect the PCM connector.
4. Remove the PCM from the battery tray.
5. When replacing the PCM on the vehicles, perform the following: PCM parameter reset (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING .)
6. Install in the reverse order of removal.

See also:
• RELAY INSPECTION