Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnosis System

NOTICE:

• When using the Techstream with the engine switch off to confirm DTCs or Data List information related to the smart access system, the Techstream may not operate unless either of the following is performed: 1) Turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and vehicle begins, or 2) connect the Techstream to the vehicle and select the Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Smart Access.
• Do not remove any fuses or disconnect the cable from the negative (-) battery terminal before confirming and recording DTCs as the data stored in the ECUs will be cleared.
• DTCs may have been stored due to problems unrelated to the steering lock system. Be sure to confirm and record any DTCs output for other systems.

Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part ...

Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Steering Lock System DTC No. Detection Item DTC Detection Condition Note Link B2781 Open / Short in Steering Lock ECU One of the following conditions i ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Airbag System: Front Door Pressure Sensor RH (B166C,B166F)
DESCRIPTION The side collision sensor RH circuit (bus 1) consists of the airbag sensor assembly, door side airbag sensor RH and rear airbag sensor RH. The door side airbag sensor RH and rear airbag sensor RH detect impacts to the vehicle and send signals to the airbag sensor assembly to determine if ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Panoramic View Monitor System: Control Module Communication Bus Off (U0073,U0100,U0126,U0129,U0140,U0163,U0233,U0265-U0268,U1110)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the parking assist ECU. HINT: If CAN communication system DTCs are stored, they may also be stored in other systems. DTC No. Detection Item DTC Detection Condition Trouble Area U0073 ...