LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Lexus
>>
1998
>>
LX 470
>>
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
Programming
Ignition Key Registration
Additional Master Key Registration
Notes
Using Brake Pedal & Accelerator Pedal
Using Scan Tool
Additional Sub-Key Registration
Notes
Using Brake & Accelerator Pedal
Using Scan Tool
Erasure Of Transponder Key Code
Notes
Using Brake & Accelerator Pedal
Using Scan Tool
Trouble Shooting
Self-Diagnostic System
Preliminary Procedure
Notes
Using Scan Tool
Using Jumper Wire
Clearing Codes
Diagnostic Tests
Notes
DTC B2785: Ignition Switch On Malfunction
DTC B2791: Key Unlock Warning Switch Off Malfunction
DTC B2795: Unmatched Ignition Key Code
DTC B2796: No Communication In Engine Immobilizer System
DTC B2797: Communication Malfunction No. 1
DTC B2798: Communication Malfunction No. 2
Component Tests
EFI Relay
Ignition Switch
Key Unlock Warning Switch
Transponder Key Amplifier
Transponder Key Coil
Testing (Pin Voltage Tests)
Removal & Installation
Notes
Engine Control Module (ECM)
Removal
Installation
Ignition Switch
Removal & Installation
Key Unlock Warning Switch
Removal & Installation
Transponder Key Amplifier
Removal & Installation
Transponder Key Coil
Removal & Installation
Wiring Diagrams