Lexus NX: Inspection

INSPECTION

PROCEDURE

1. PRECAUTION

NOTICE:

After performing the following check, initialize the fold seat control ECU (initial position reset and initial position memorization).

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2. INSPECT REAR SEATBACK FRAME SUB-ASSEMBLY LH

(a) Check the operation of the reclining motor.

(1) Apply auxiliary battery voltage to the reclining motor connector, and check that the rear seatback frame sub-assembly LH operates smoothly as follows.

NOTICE:

  • Connect the auxiliary battery simultaneously to motor A and motor B to perform an inspection.
  • Do not apply voltage to terminals 2, 5 and 6 of the connector for motor A.

*1

Motor A

*2

Motor B

*a

Forward

*b

Backward

*c

Component without wire harness connected

(Rear Seatback Frame sub-assembly LH)

-

-

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 3 (FWD) (Motor A)

Auxiliary battery negative (-) → Terminal 4 (BACK) (Motor A)

Forward

Auxiliary battery positive (+) → Terminal 1 (Motor B)

Auxiliary battery negative (-) → Terminal 2 (Motor B)

Auxiliary battery positive (+) → Terminal 4 (BACK) (Motor A)

Auxiliary battery negative (-) → Terminal 3 (FWD) (Motor A)

Backward

Auxiliary battery positive (+) → Terminal 2 (Motor B)

Auxiliary battery negative (-) → Terminal 1 (Motor B)

If the result is not as specified, replace the rear seatback frame sub-assembly LH.

3. INSPECT REAR SEATBACK FRAME SUB-ASSEMBLY RH

(a) Check the operation of the reclining motor.

(1) Apply auxiliary battery voltage to the reclining motor connector, and check that the rear seatback frame sub-assembly RH operates smoothly as follows.

NOTICE:

  • Connect the auxiliary battery simultaneously to motor A and motor B to perform an inspection.
  • Do not apply voltage to terminals 2, 5 and 6 of the connector for motor A.

*1

Motor A

*2

Motor B

*a

Forward

*b

Backward

*c

Component without wire harness connected

(Rear Seatback Frame sub-assembly RH)

-

-

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → Terminal 3 (FWD) (Motor A)

Auxiliary battery negative (-) → Terminal 4 (BACK) (Motor A)

Forward

Auxiliary battery positive (+) → Terminal 1 (Motor B)

Auxiliary battery negative (-) → Terminal 2 (Motor B)

Auxiliary battery positive (+) → Terminal 4 (BACK) (Motor A)

Auxiliary battery negative (-) → Terminal 3 (FWD) (Motor A)

Backward

Auxiliary battery positive (+) → Terminal 2 (Motor B)

Auxiliary battery negative (-) → Terminal 1 (Motor B)

If the result is not as specified, replace the rear seatback frame sub-assembly RH.

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