Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Immobiliser System
- Parts Location
- Precaution
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Registration
- Data List / Active Test
- Diagnosis System
- Dtc Check / Clear
- Terminals Of Ecu
- Engine Starter Communication Malfunction (B2779)
- Short to GND in Immobiliser System Power Source Circuit (B278A)
- Antenna Coil Open / Short (B2784)
- ID BOX EEPROM Malfunction (B2790)
- Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)
- Engine Immobiliser System Circuit Short to Battery (B279A12)
- Engine Immobiliser System Incorrect Assembly (B279C95)
- Security Indicator Light Does not Blink
- Immobiliser System does not Operate Properly
Id Code Box
ComponentsCOMPONENTS ILLUSTRATION *1 AIR CONDITIONER UNIT ASSEMBLY *2 ID CODE BOX (IMMOBILISER CODE ECU) InstallationINSTALLATION CAUTION / NOTICE / HINT NOTICE: Before replacing the ID c ...
Parts Location
PARTS LOCATION ILLUSTRATION *1 ECM - - ILLUSTRATION *A for Lexus Enform Remote Compatible Type - - *1 ENGINE SWITCH *2 CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) * ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Immobiliser System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) The certification ECU (smart key ECU assembly) and ECM control the vehicle immobiliser system functions. Immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occu ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Speed Signal Malfunction (B15C2)
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly and information from the navigation antenna, and then adjusts the vehicle position. The navigation ECU stores this DTC when the difference between the speed information that the navigation antenna asse ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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