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

  • 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.

    Click here

  • 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

NEXT

2.

CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP / DOWN FUNCTION)

(a) Check if the power window auto up and down function operates normally.

Click here

OK:

Auto up and down function is normal.

NG

GO TO OTHER PROBLEM

OK

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

READ NEXT:

 Power Window Master Switch

ComponentsCOMPONENTS ILLUSTRATION *1 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY *2 POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL *3 FRONT DOOR ARMREST

 Power Window Regulator Motor (for Front Side)

 Components

COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified

SEE MORE:

 Repair

REPAIR CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. If the installation area of the headlight assembly is damaged, use the supply retainer for low-cost repair. Make sure that the headlight assembly is not damage

 Multi-information display

The multi-information display presents the driver with a variety of vehicle data. Display and menu icons ■ Display ■ Menu icons Drive information Navigation system-linked display (if equipped) Audio system-linked display (if equipped) Driving assist system information Wa

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