Engine Immobilizer Systems

• Description & Operation
• Programming
  • New Transponder Key Code
  • Additional Master Key
    • Notes
    • Using Brake & Accelerator Pedal
    • Using LEXUS Scan Tool
  • Additional Sub-Key
    • Notes
    • Using Brake & Accelerator Pedal
    • Using LEXUS Scan Tool
  • Erasure Of Transponder Key Code
    • Notes
    • Using Brake & Accelerator Pedal
    • Using LEXUS Scan Tool
• Trouble Shooting
• Self-Diagnostic System
  • Diagnostic Procedure
    • Using Scan Tool
    • Using Jumper Wire
• Diagnostic Tests
  • DTC B2795: Unmatched Key Code
  • DTC B2796: No Communication In Immobilizer System
  • DTC B2797: Communication Malfunction No. 1
  • DTC B2798: Communication Malfunction No. 2
• Component Tests
  • ECM Pin Voltage Tests
    • SC300
    • SC400
  • Transponder Key Coil
• Removal & Installation
• Wiring Diagrams