Friday, August 14, 2020

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 2390


OK:



DTC B2277 is not output.



HINT



If there are any signs that water was present, before replacing the power source control ECU, take measures to prevent any



further water entry.



NG -- REPLACE POWER MANAGEMENT CONTROL ECU See: Power and Ground Distribution/Power Distribution



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



Up to 08/2009



THEFT DETERRENT / KEYLESS ENTRY: SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function): B2282:



Vehicle Speed Signal Malfunction



B2282 - Vehicle Speed Signal Malfunction



DESCRIPTION



The power management control ECU receives vehicle speed information using 2 methods. It receives a speed signal from the meter ECU. It also



receives speed information from the meter ECU via CAN. If the information sent using these 2 methods is inconsistent, this DTC will be stored.



WIRING DIAGRAM



HINT



* A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter. The signal is changed to a pulse



signal at the transistor in the combination meter. Each ECU controls the respective system based on the pulse signal.



* If a short occurs in an ECU, all systems in the diagram above will not operate normally.

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