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Home >> Lexus >> 2000 >> LS 400 >> Repair and Diagnosis >> General Information >> Computer Relearn Procedures >> MAZDA >> Immobilizer System (626) >> Key Replacement Or Addition (Customer Supplied Only One Or No Valid Keys)
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Key Replacement Or Addition (Customer Supplied Only One Or No Valid Keys)

  1. Cut new transponder equipped key(s). Using new key, turn ignition to ON position, then to LOCK position 5 times. Turn new key to ON position. SECURITY light should be flashing at a 300 millisecond interval. Turn new key to LOCK position and wait about 5 minutes until SECURITY light flashing has decreased to a 1.2 second interval.
  2. Input code word. See INPUTTING CODE WORD . SECURITY light should stop flashing and stay illuminated. Start engine with new key. SECURITY light should illuminate for 1-2 seconds and engine should continue to run. Turn new key to LOCK position and remove key.
  3. Using new 2nd key, start engine. SECURITY light should illuminate for 1-2 seconds and engine should continue to run. Turn new 2nd key to LOCK position and remove key.
  4. Repeat step 3)  with valid key or new 3rd key. Repeat step 3)  with each new key, up to 8 keys total. Wait 30 seconds, program will quit automatically.