Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > How To Troubleshoot Ecu Controlled Systems: General Information
GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoot. However, most problem checking procedures only involve inspecting the ECU c ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Check Bus 4 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the bus 4 main lines and/or bus 4 branch lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the network gateway ECU is below 54 Ω. Symptom Trouble Area Resistance between terminals 22 (CA2H) and 7 (CA2L) of network gateway ...