Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Automatic High Beam Camera (B124C)

Light Sensor Circuit (B1244)

DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (multiple ...

LED Headlight LH (B2430,B2431)

DESCRIPTION These DTCs are stored when the low beam headlights do not illuminate, or a communication malfunction is detected between the headlight assembly and main body ECU (multiplex network body EC ...

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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vehicle Stability Control System: ABS Operates Before Necessary When Braking
DESCRIPTION Troubleshooting for when ABS operates too soon due to a noisy signal from the speed sensor, a difference in output, etc. CAUTION / NOTICE / HINT NOTICE: After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed s ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): Back Door Closer Switch Malfunction (B2251)
DESCRIPTION The multiplex network door ECU receives signals from the latch switch, position switch, pawl switch and back door courtesy switch, which are built into the back door lock assembly. Based on these signals, the latch position of the back door lock assembly is determined. DTC No. Detec ...