Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Intelligent clearance sonar system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to repair them.
(b) When the intelligent clearance sonar system is unavailable either temporarily or due to a malfunction, a warning message is displayed on the multi-information display.
Multi-information Display Warning Message| Warning Message | Proceed to |
|---|---|
| "Parking Support Brake Malfunction Visit Your Dealer" | |
| "Parking Support Brake Unavailable" | |
| "Parking Support Brake Unavailable Remove the Dirt of Rear Camera" | Remove foreign matter from the rear television camera assembly. |
CHECK DLC3
(a) Check the DLC3.
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Terminals Of Ecu
TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the J38 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to ...
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the intelligent clearance sonar system on. (d) Turn the Techstream on. (e) Enter the fo ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Lost Communication With Headlamp Control Module "B" (U0242)
DESCRIPTION for Multiple Beam Headlight:
The No. 1 headlight ECU sub-assembly LH communicates with the No. 1 headlight ECU sub-assembly RH via CAN communication. If communication between the No. 1 headlight ECU sub-assembly LH and No. 1 headlight ECU sub-assembly RH stops, the No. 1 headlight ECU ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lane Control System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Lane Control / Trouble Codes. Chassis > Lane Control > Trouble Codes (e) Check for DTCs (Test Failed / Pending / Conf ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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