Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Operation Check

OPERATION CHECK

CHECK POWER DOOR LOCK OPERATION

NOTICE:

The operation check below is based on the non-customized initial condition of the vehicle.

(a) Check basic functions.

(1) Check that all of the doors lock when the lock side of the door control switch is pressed.

(2) Check that all of the doors unlock when the unlock side of the door control switch is pressed.

(3) Check that all of the doors lock when the driver door key cylinder is turned to lock using the mechanical key.

(4) Check that only the driver door unlocks when the driver door lock cylinder is turned to unlock once using the key and all of the doors unlock when it is turned to unlock again.

(b) Check the key lock-in prevention function.

NOTICE:

In order to prevent the key from being locked in the vehicle, the following inspection should be performed with the driver door window open.

(1) Turn the engine switch on (IG) or on (ACC).

(2) With the driver door open, check that all of the doors unlock immediately after the door lock knob for the driver door is pressed.

(3) With the driver door open, check that all of the doors unlock immediately after the lock side of the door control switch is pressed.

(4) With the driver door open, press the driver door lock knob and hold it for 2 seconds or more, then close the driver door and check that all of the doors unlock.

(c) Check the security function of the door lock control system.

(1) Close all of the doors and leave the driver door window open so that the door control switch can be operated from outside the vehicle. (Step 1)

(2) Open the driver door and remove the key from the vehicle. With the door still open, lock the door using the lock knob. Hold the outside handle of the driver door, open and close the door while holding the handle open (confirm that the lock knob remained in the lock position). Then, check that the doors do not unlock when the unlock side of the door control switch is pressed from outside the vehicle.

(3) Starting from Step 1, with the key outside the vehicle, close and lock the driver door using the mechanical key. Then, check that the doors do not unlock when the unlock side of the door control switch is pressed from outside the vehicle.

(4) Starting from Step 1, with the key outside the vehicle, close and lock the driver door using wireless key operation or smart key operation. Then, check that the doors do not unlock when the unlock side of the door control switch is pressed from outside the vehicle.

HINT:

Check that the security function of the door lock control system is canceled under the following conditions:

(d) Check the key-linked 2-step unlock function.

HINT:

The key-linked 2-step unlock function can be customized. Make sure that function is ON before this procedure.

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(1) Lock all doors.

(2) Check that only the driver door unlocks when the driver door lock cylinder is turned to unlock once using the key and all of the doors unlock when it is turned to unlock again.

(e) Check the shift linked automatic door lock function.

HINT:

The shift linked automatic door lock function can be customized. Make sure that function is ON before this procedure.

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(1) With the shift lever in P and the engine switch on (IG), check that all of the doors lock automatically when the shift lever is moved to any position other than P.

(f) Check the speed-sensitive automatic door lock function.

HINT:

The speed-sensitive automatic door lock function can be customized. Make sure that function is ON before this procedure.

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(1) When any door is unlocked and the vehicle is driven at approximately 20 km/h (12 mph) or more, check that all of the doors lock automatically.

(g) Check the shift linked automatic door unlock function.

HINT:

The shift linked automatic door unlock function can be customized. Make sure that function is ON before this procedure.

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(1) With the shift lever in any position other than P and the engine switch on (IG), check that all of the doors unlock automatically when the shift lever is moved to P.

(h) Check the driver door-linked automatic door unlock function.

HINT:

The driver door-linked automatic door unlock function can be customized. Make sure that function is ON before this procedure.

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(1) When the driver door is closed, turning the engine switch from on (IG) to off and opening the driver door within approximately 43 seconds will automatically unlock all doors.

(i) CHECK POWER BACK DOOR CLOSE AND LOCK FUNCTION

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(j) CHECK HANDS FREE CLOSE AND LOCK FUNCTION (w/ Hands Free Power Back Door)

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