PRECAUTION
CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES
CAUTION:
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PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected.
System Name | See Procedure |
---|---|
Lane Control System | |
Pre-collision System | |
Intelligent Clearance Sonar System | |
Parking Assist Monitor System | |
Panoramic View Monitor System | |
Lighting System (w/ Automatic Headlight Beam Level Control System) | |
Power Door Lock Control System | |
Power Back Door System (w/ Outside Door Control Switch) |
PRECAUTION WHEN USING TECHSTREAM
(a) When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
PRECAUTION FOR REGISTRATION
(a) If replacing any of the following parts, refer to registration procedure.
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(1) Certification ECU (smart key ECU assembly)
(2) Steering lock ECU (steering lock actuator or upper bracket assembly)
(3) ECM
(4) Electrical key transmitter sub-assembly
(5) ID code box (immobiliser code ECU)
(6) Main body ECU (multiplex network body ECU)
(7) DCM (telematics transceiver)*
(b) When the certification ECU (smart key ECU assembly) is replaced, the stored steering lock position will no longer match that of the steering lock ECU (steering lock actuator or upper bracket assembly) and it may not be possible to start the engine. Therefore, after replacement, perform the following procedure.
(1) Move the shift lever to P.
(2) With the engine switch off, open and close a door, and then start the engine.
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): Lost Communication With TCM (U0101,U0122,U0142,U0155,U0327,U1117)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication system. DTC No. Detection Item DTC Detection Condition Trouble Area U0101 Lost Communication With TCM Communication malfunction detected between multiplex network door ECU and ECM
CAN communica ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Freeze Frame Data
FREEZE FRAME DATA CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. Body Electrical > Navigation System > Trouble Codes (e) Select a ...