Tuesday, January 1, 2019

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 377


NEXT -- Continue to next step.



6. CHECK DTC OUTPUT



(a) Clear the DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and



Clearing Diagnostic Trouble Codes/Engine Immobiliser System.



(b) Recheck for DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and



Clearing Diagnostic Trouble Codes/Engine Immobiliser System.



OK:



DTC B279A is not output.



NG -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and



Repair/Removal



OK -- END (ID CODE BOX (IMMOBILISER CODE ECU) WAS DEFECTIVE)



Up to 08/2009



THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: B279C: Theft Deterrent System Presence Detection



B279C - Theft Deterrent System Presence Detection



DESCRIPTION



If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.



INSPECTION PROCEDURE



PROCEDURE



1. CHECK DTC OUTPUT



(a) Clear the DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and



Clearing Diagnostic Trouble Codes/Engine Immobiliser System.



(b) Recheck for DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and



Clearing Diagnostic Trouble Codes/Engine Immobiliser System.



OK:



DTC B279C is not output.



NG -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and



Repair/Removal



OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm



Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting



From 08/2009



THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: B279C: Theft Deterrent System Presence Detection



B279C - Theft Deterrent System Presence Detection



DESCRIPTION



If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.

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