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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Reassembly
REASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. PROCEDURE 1. INSTALL REAR SEAT WIRE LH (for LH Side) (a) Attach the 2 clamps to i
Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. PROCEDURE 1. INSTALL NO. 1 SEAT LEG ASSEMBLY (a) Attach the 2 guides to tempora
SEE MORE:
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE INTAKE VALVE (a) Using SST and wooden blocks, compress the inner compression spring and remove the valve spring retainer locks. SST: 09202-70020 SST: 09202-00021 (b) Remove the valve spring retainer, inner compression spring and intake valve. HINT: Arra
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).
If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
Click here HINT:
Use the table below to help determine the cau
