Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Jam Protection Function does not Operate
DESCRIPTION
This symptom may occur for any of the power windows.
The jam protection function operates within a specified range during the manual up or auto up operation.
CAUTION / NOTICE / HINT
NOTICE:
-
If a power window regulator motor assembly has been replaced with a new one, initialize the power window control system.
Click here
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If the pulse sensor built into the power window regulator motor assemblies are malfunctioning, the power window control system will enter fail-safe mode. The jam protection function cannot be operated during fail-safe mode.
Click here
PROCEDURE
| 1. | PERFORM INITIALIZATION (APPLICABLE LOCATION) |
(a) Initialize the power window regulator motor assembly (applicable location).
Click here
|
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| 2. | CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP / DOWN FUNCTION) |
(a) Check if the power window auto up and down functions operate normally.
Click here
OK:
Auto up and down functions are normal.
| NG | .gif) | GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) |
|
| 3. | CHECK JAM PROTECTION FUNCTION OPERATING RANGE |
(a) Check if the jam protection function operates normally for the applicable power window.
HINT:
The jam protection function will not operate within 4 mm (0.157 in.) of the fully closed position.
OK:
Jam protection function operates normally.
| Result | Proceed to |
|---|---|
| OK | A |
| NG (Driver door power window) | B |
| NG (Front passenger door power window) | |
| NG (Rear LH door power window) | C |
| NG (Rear RH door power window) |
| A | | END (PROBLEM DUE TO INITIALIZATION FAILURE) |
| B | | REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR OR FRONT PASSENGER DOOR) |
| C | | REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR OR REAR RH DOOR) |
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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