LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Lexus
>>
2002
>>
GS 430
>>
Repair and Diagnosis
>>
Body & Frame
>>
Door Locks
>>
Engine Immobilizer System
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Immobilizer System
Expand All (for easy ctrl-f)
Collapse All
Description & Operation
Notes
Engine Immobilizer System
Keys
Notes
Starting Engine With Flat Key
Component Locations
Programming
Automatic Key Registration
Key Registration (Key Or Key Cylinder Replaced)
Additional Sub-Key Registration
Key Code Erasure
Trouble Shooting
Connector Identification
Self-Diagnostic System
Pre-Check
Retrieving Diagnostic Trouble Codes
Using Hand-Held Tester
Using Indicator Light
Clearing Diagnostic Trouble Codes
Diagnostic Trouble Code Definitions
Diagnostic Tests
DTC B2795/99: Unmatched Key Code (2002 Models) & DTC P0513/99: Incorrect Immobilizer Key (2003 Models)
Circuit Description
Diagnostic Procedure
DTC B2796/99: No Communication In Immobilizer System
Circuit Description
Diagnostic Procedure
DTC B2797/99: Communication Malfunction No. 1
Circuit Description
Diagnostic Procedure
DTC B2798/99: Communication Malfunction No. 2
Circuit Description
Diagnostic Procedure
Component Tests
Transponder Key Coil
Removal & Installation
Pin Voltage Tests
Wiring Diagrams