Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Operation Check

OPERATION CHECK

CHECK AUTO OPERATION FUNCTION

HINT:

When a switch is pressed for 0.3 seconds or less, the sliding roof will move but auto operation will not operate.

(a) Turn the engine switch on (IG).

(b) When the sliding roof is fully closed, press the OPEN switch for 0.3 seconds or more. Check that the sliding roof automatically slides until it reaches the comfort stop position.

(c) When the sliding roof is in the comfort stop position, press the OPEN switch again for 0.3 seconds or more. Check that the sliding roof automatically slides until it is fully opened.

(d) When the sliding roof is fully open, press the CLOSE switch for 0.3 seconds or more. Check that the sliding roof automatically slides until it is fully closed.

(e) When the sliding roof is fully closed, press the UP switch for 0.3 seconds or more. Check that the sliding roof automatically tilts up until it is fully tilted upward.

(f) When the sliding roof is fully tilted up, press the DOWN switch for 0.3 seconds or more. Check that the sliding roof automatically tilts down until it is fully tilted downward.

(g) When the auto operation function is operating, check that pressing any of the switches on the sliding roof switch (map light assembly) stops the sliding roof operation.

CHECK KEY-OFF OPERATION FUNCTION

NOTICE:

Make sure that initialization has been completed before performing this inspection.

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(a) Turn the engine switch from on (IG) to off and check that the sliding roof can be operated. Then open the driver or front passenger door once and check that the sliding roof cannot be operated.

(b) Turn the engine switch from on (IG) to off and wait for approximately 45 seconds. Check that the sliding roof cannot be operated.

(c) Operate the auto operation function with the driver or front passenger door open. While the sliding roof is moving, turn the engine switch off. Check that the sliding roof stops immediately.

CHECK JAM PROTECTION FUNCTION

(a) When the slide close function is operating and an object is caught between the vehicle body and sliding roof glass sub-assembly, check that the sliding roof opens a distance of 218 mm (8.58 in.) from the point of contact with the object, or opens fully if an opening distance of 218 mm (8.58 in.) is not available.

(b) When the tilt down function is operating and an object is caught between the vehicle body and the sliding roof glass sub-assembly, check that the sliding roof tilts up fully.

CHECK KEY-LINKED FUNCTION

CAUTION:

Make sure that no one is near the vehicle while performing this inspection. Also be careful not to let any part of your body, such as your hand, get caught in the sliding roof by accident while performing this inspection.

(a) Check the key-linked open function:

(1) Close and lock all of the doors.

(2) Insert the mechanical key into the driver door key cylinder and turn the mechanical key to the unlock position for approximately 1.5 seconds or more. Check that slide open/tilt up operation occurs. Then release the mechanical key and check that the sliding roof stops moving.

(b) Check the key-linked close function:

(1) Open the sliding roof by using the sliding roof switch (map light assembly).

(2) Close and unlock all of the doors.

(3) Insert the mechanical key into the driver door key cylinder, and turn the mechanical key to the lock position for approximately 1.5 seconds or more. Check that the slide close/tilt down operation occurs. Then release the mechanical key and check that the sliding roof stops moving.

CHECK WIRELESS TRANSMITTER-LINKED FUNCTION

CAUTION:

Make sure that no one is near the vehicle while performing this inspection. Also be careful not to let any part of your body, such as your hand, get caught in the sliding roof by accident while performing this inspection.

(a) Check the wireless transmitter-linked open function:

(1) Close and lock all of the doors.

(2) Press and hold the transmitter UNLOCK switch for approximately 3 seconds or more and check that the slide open/tilt up operation occurs. Then release the UNLOCK switch and check that the sliding roof stops moving.

CHECK SLIDING ROOF OPEN WARNING FUNCTION

(a) Open the sliding roof by using the sliding roof switch (map light assembly).

(b) When the engine switch is turned from on (IG) to off and the driver door is opened with the electrical key transmitter sub-assembly in the vehicle, check that the warning buzzer in the combination meter assembly sounds once. Then, check that "MOON ROOF OPEN" is displayed on the multi-information display in the combination meter assembly.