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)) | | |
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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 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
SEE MORE:
DESCRIPTION Detection Item Symptom Trouble Area Vehicle Approaching Sound ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Vehicle Proximity Notification System" is indicated on the "Communication Bus Check" screen of the Techstream.
Click
OPERATION CHECK CHECK BASIC FUNCTION (a) Operate the rear power seat switch, No. 1 fold seat switch assembly and No. 2 fold seat switch assembly and check that each switch function operates normally.
Reclining operation (rear power seat switch)
Fold operation (rear power seat switch, No. 1 fold
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