Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Entry Interior Alarm does not Sound

NOTICE:

• The smart access system with push-button start (for Entry Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart access system with push-button start (for Entry Function) after confirming that the communication systems are functioning properly.

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• 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.

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• After repair, confirm that no DTCs are output.

Driver Side Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION If the entry lock and unlock functions do not operate for the driver door only, the request code may not be being transmitted from the driver door or the front door outside handle assembly ...

Back Door Entry Unlock Function does not Operate

DESCRIPTION If the entry unlock function does not operate for the back door only, but the entry lock function operates, the request code is being transmitted properly from the back door. In this case, ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Engine Coolant Temperature Sensor: Inspection
INSPECTION PROCEDURE 1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 2.32 to 2.59 kΩ 80°C (176°F) 0.310 to 0.326 ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Transmission Fluid Temperature Sensor "A" Circuit Short To Ground (P071011)
DESCRIPTION The ATF temperature sensor converts the automatic transaxle fluid (ATF) temperature into a resistance value for use by the ECM. The ECM applies voltage to the temperature sensor through terminal THO1 of the ECM. The sensor resistance changes with the ATF temperature. As the temperature r ...