Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

NOTICE:

  • Do not apply voltage to any terminals except terminals 1 and 2 to avoid damaging the pulse sensor inside the motor.
  • Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly to the door.

    Click here

(a) Apply positive (+) auxiliary battery voltage to the connector terminal 2 (B).

*a

Component without harness connected

(Power Window Regulator Motor Assembly LH)

*b

Counterclockwise

*c

Clockwise

*d

Motor Gear

(b) Apply negative (-) auxiliary battery voltage to the connector terminals 1 (GND) and 7 (DOWN)/10 (UP).

(c) Check that the motor gear rotates smoothly as follows.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → 2 (B)

Auxiliary battery negative (-): 1 (GND) (3 seconds or more) → 1 (GND) and 10 (UP) (within 1 second) → 1 (GND) (within 1 second) → 1 (GND) and 10 (UP)

Motor gear rotates clockwise (UP)

Auxiliary battery positive (+) → 2 (B)

Auxiliary battery negative (-): 1 (GND) (3 seconds or more) → 1 (GND) and 7 (DOWN) (within 1 second) → 1 (GND) (within 1 second) → 1 (GND) and 7 (DOWN)

Motor gear rotates counterclockwise (DOWN)

2. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

NOTICE:

  • Do not apply voltage to any terminals except terminals 1 and 2 to avoid damaging the pulse sensor inside the motor.
  • Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly to the door.

    Click here

(a) Apply positive (+) auxiliary battery voltage to the connector terminal 2 (B).

*a

Component without harness connected

(Power Window Regulator Motor Assembly RH)

*b

Clockwise

*c

Counterclockwise

*d

Motor Gear

(b) Apply negative (-) auxiliary battery voltage to the connector terminals 1 (GND) and 7 (DOWN)/10 (UP).

(c) Check that the motor gear rotates smoothly as follows.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → 2 (B)

Auxiliary battery negative (-): 1 (GND) (3 seconds or more) → 1 (GND) and 10 (UP) (within 1 second) → 1 (GND) (within 1 second) → 1 (GND) and 10 (UP)

Motor gear rotates clockwise (UP)

Auxiliary battery positive (+) → 2 (B)

Auxiliary battery negative (-): 1 (GND) (3 seconds or more) → 1 (GND) and 7 (DOWN) (within 1 second) → 1 (GND) (within 1 second) → 1 (GND) and 7 (DOWN)

Motor gear rotates counterclockwise (DOWN)

READ NEXT:

 Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. A bolt without a torque specification is shown in the s

 Power Window Regulator Motor (for Rear 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:

 Lost Communication with Body Control Module Missing Message (U014087,U015587,U016387)

DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U014087 Lost Communication with Body Control Module Missing Message CAN reception error CAN communication system U015587

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Sliding Roof System DTC No. Detection Item Link B2341 Sensor (Motor) Failure B2342 Switch Failure B2343 Position Initialization Incomplete B2344 Position Failure

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