Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT SEAT ADJUSTER ASSEMBLY LH (w/o Memory)

(a) Check the operation of the slide motor.

(1) Apply auxiliary battery voltage to the slide motor connector, and check that the front seat adjuster assembly LH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Forward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Backward

If the result is not as specified, replace the front seat adjuster assembly LH.

*a

Component without wire harness connected

(Front Seat Adjuster Assembly LH (Slide Motor))

(b) Check the operation of the front vertical motor.

(1) Apply auxiliary battery voltage to the front vertical motor connector, and check that the front seat adjuster assembly LH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Upward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Downward

If the result is not as specified, replace the front seat adjuster assembly LH.

*a

Component without wire harness connected

(Front Seat Adjuster Assembly LH (Front Vertical Motor))

(c) Check the operation of the rear lifter motor.

(1) Apply auxiliary battery voltage to the rear lifter motor connector, and check that the front seat adjuster assembly LH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Upward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Downward

If the result is not as specified, replace the front seat adjuster assembly LH.

*a

Component without wire harness connected

(Front Seat Adjuster Assembly LH (Rear Lifter Motor))

2. INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY LH (w/o Memory)

(a) Check the operation of the reclining motor.

(1) Apply auxiliary battery voltage to the reclining motor connector, and check that the separate type front seatback spring assembly LH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Forward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Backward

If the result is not as specified, replace the separate type front seatback spring assembly LH.

*a

Component without wire harness connected

(Separate Type Front Seatback Spring Assembly LH (Reclining Motor))

3. INSPECT FRONT SEAT ADJUSTER ASSEMBLY RH (w/o Memory)

(a) Check the operation of the slide motor.

(1) Apply auxiliary battery voltage to the slide motor connector, and check that the front seat adjuster assembly RH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Forward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Backward

If the result is not as specified, replace the front seat adjuster assembly RH.

*a

Component without wire harness connected

(Front Seat Adjuster Assembly RH (Slide Motor))

(b) Check the operation of the front vertical motor.

(1) Apply auxiliary battery voltage to the front vertical motor connector, and check that the front seat adjuster assembly RH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Upward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Downward

If the result is not as specified, replace the front seat adjuster assembly RH.

*a

Component without wire harness connected

(Front Seat Adjuster Assembly RH (Front Vertical Motor))

(c) Check the operation of the rear lifter motor.

(1) Apply auxiliary battery voltage to the rear lifter motor connector, and check that the front seat adjuster assembly RH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Upward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Downward

If the result is not as specified, replace the front seat adjuster assembly RH.

*a

Component without wire harness connected

(Front Seat Adjuster Assembly RH (Rear Lifter Motor))

4. INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY RH (w/o Memory)

(a) Check the operation of the reclining motor.

(1) Apply auxiliary battery voltage to the reclining motor connector, and check that the separate type front seatback spring assembly RH operates smoothly as follows.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 2

Auxiliary battery negative (-) → Terminal 1

Forward

Auxiliary battery positive (+) → Terminal 1

Auxiliary battery negative (-) → Terminal 2

Backward

If the result is not as specified, replace the separate type front seatback spring assembly RH.

*a

Component without wire harness connected

(Separate Type Front Seatback Spring Assembly RH (Reclining Motor))

READ NEXT:

 Reassembly

REASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT: Use the same procedure for the RH and LH sides. The procedure listed belo

 Installation

INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT: Use the same procedure for the RH and LH sides. The procedure listed be

 Front Seat Cushion Heater

SEE MORE:

 System Diagram

SYSTEM DIAGRAM Tail, Stop, Headlight Circuit Turn Signal Circuit

 Unable To Connect To Call Center

DESCRIPTION This may occur when the intensity of telephone radio frequency was very weak or the safety connect system has a malfunction and a DTC is stored. PROCEDURE 1. CHECK COMMUNICATION SERVICE CONDITION (a) Move the vehicle. (1) If the vehicle is outside the communication service area,

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