Lexus NX: Power Steering Ecu (for Manual Tilt And Manual Telescopic Steering Column)
Components
COMPONENTS
ILLUSTRATION
| *1 | ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY | *2 | POWER STEERING ECU ASSEMBLY |
| *3 | POWER STEERING ECU PROTECTOR | *4 | ECU WIRE SUB-ASSEMBLY |
 | N*m (kgf*cm, ft.*lbf): Specified torque | ● | Non-reusable part |
Removal
REMOVAL
CAUTION / NOTICE / HINT
PROCEDURE
1. REMOVE ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY
Click here 
2. REMOVE POWER STEERING ECU ASSEMBLY
| (a) Detach the 2 claws and remove the power steering ECU protector from the power steering ECU assembly. |
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| (b) Disconnect the connectors and 2 harness clamps, and remove the ECU wire sub-assembly from the power steering ECU assembly. |
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| (c) Detach the 4 claws and remove the power steering ECU protector from the power steering ECU assembly. |
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| (d) Remove the 3 terminal bolts, 2 bolts and power steering ECU assembly from the electric power steering column sub-assembly. |
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Installation
INSTALLATION
CAUTION / NOTICE / HINT
PROCEDURE
1. INSTALL POWER STEERING ECU ASSEMBLY
(a) Install the power steering ECU assembly with 2 new bolts.
Torque:
20 N·m {204 kgf·cm, 15 ft·lbf}
(b) Install 3 new terminal bolts.
Torque:
3.2 N·m {33 kgf·cm, 28 in·lbf}
(c) Connect the connectors and 2 harness clamps, and install a new ECU wire sub-assembly to the power steering ECU assembly.
(d) Install 2 new power steering ECU protectors to the power steering ECU assembly.
2. INSTALL ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY
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3. PERFORM ASSIST MAP WRITING
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Components
COMPONENTS ILLUSTRATION *1 ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY *2 POWER STEERING ECU ASSEMBLY *3 POWER STEERING ECU PROTECTOR *4 ECU WIRE SUB-ASSEMBLY *5 ELECTRIC POW
Removal
REMOVAL CAUTION / NOTICE / HINT PROCEDURE 1. REMOVE ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY Click here 2. REMOVE POWER STEERING ECU ASSEMBLY (a) Detach the claw and remove the power steering
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Inspection
INSPECTION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSPECT REAR NO. 1 SUSPENSION ARM ASSEMBLY LH (a) Inspect the turning torque of the ball joint. (1) Install the installation nut to the ball j
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for RHD and LHD vehicles.
The procedure listed below is for LHD vehicles.
PROCEDURE 1. INSTALL COOLER THERMISTOR (ROOM TEMPERATURE SENSOR) (a) Connect the aspirator hose. (b) Connect the connector. (c) Attach the 2 claws to in
