LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2000 >> MR2 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Engine Immobilizer Systems >> Programming >> Additional Master Key Registration >> Using Scan Tool
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Using Scan Tool

  1. Connect scan tool to Data Link Connector No. 3 (DLC3). See Figure. Insert registered master key in ignition lock cylinder.
  2. Within 2 minutes of inserting master key into ignition lock cylinder, select MASTER KEY REGISTRATION using scan tool. Within 20 seconds, remove master key from ignition lock cylinder.
  3. Within 10 seconds of removing master key from ignition lock cylinder, insert master key to be registered in ignition lock cylinder. Ensure SECURITY indicator light flashes.
  4. After one minute, additional master key should be registered and SECURITY indicator light should turn off.
  5. If registering additional master keys, repeat process starting with step  3 within 10 seconds. Registration mode is complete after removing master key from ignition lock cylinder within 10 seconds with brake pedal depressed, or SECURITY indicator has turned off for at least 10 seconds.
scientia non olet · About LEMON Manuals