Lexus NX: Jam Protection Function does not Operate
DESCRIPTION
This symptom may occur for any of the 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 is malfunctioning, the power window control system enters fail-safe mode. The jam protection function cannot be operated during fail-safe mode.
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- After the jam protection function operates when an auto up or manual up operation is performed, the jam protection function will not operate when the manual up operation is performed again within approximately 4 seconds.
- After the catch protection function operates when an auto down or manual down operation is performed, the jam protection function will not operate when the manual down operation is performed again within approximately 4 seconds.
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 function operates normally.
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OK:
Auto up and down function is normal.
| NG | .gif) | GO TO OTHER PROBLEM |
|
| 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) | C |
| NG (Rear LH door power window) | D |
| NG (Rear RH door power window) | E |
| A | | END (PROBLEM DUE TO INITIALIZATION FAILURE) |
| B | | REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH |
| C | | REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
| D | | REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH |
| E | | REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH |
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