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Home >> Mazda >> 2002 >> MX-5 Miata Base, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer System >> DTC 21: Code Word/ID Number Memorized In Immobilizer Unit EEPROM Cannot Be Read >> Diagnostic Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Procedure

Fig 1: Diagnostic Procedure
G01173557Courtesy of MAZDA MOTORS CORP.