Installation
ComponentsLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Smart Access System With Push-button Start (for Start Function): Engine/Power Switch Malfunction (B2278)
DESCRIPTION This DTC is stored when the SSW1 contact signal and SSW2 contact signal, which are detected when the engine switch is operated, do not match. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2278 Engine/Power Switch Malfunction When the engine switch i ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Steering System: IG Power Supply Voltage (C1551)
DESCRIPTION The power steering ECU assembly distinguishes the engine switch status as on (IG) or off through the IG power source circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1551 IG Power Supply Voltage ...