Lexus NX: Power Steering Ecu (for Manual Tilt And Manual Telescopic Steering Column)

Lexus NX Service Manual / Steering / Power Assist Systems / 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.

(b) Disconnect the connectors and 2 harness clamps, and remove the ECU wire sub-assembly from the power steering ECU assembly.

(c) Detach the 4 claws and remove the power steering ECU protector from the power steering ECU assembly.

(d) Remove the 3 terminal bolts, 2 bolts and power steering ECU assembly from the electric power steering column sub-assembly.

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

Click here

3. PERFORM ASSIST MAP WRITING

Click here

READ NEXT:

 Power Steering Ecu (for Power Tilt And Power 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 *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

SEE MORE:

 Installation

INSTALLATION PROCEDURE 1. INSTALL BRAKE PEDAL PAD (a) Install the brake pedal pad to the brake pedal support assembly. 2. INSTALL BRAKE PEDAL STROKE SENSOR ASSEMBLY Click here 3. INSTALL BRAKE PEDAL SUPPORT ASSEMBLY (a) Install the brake pedal support assembly with the 4 nuts. Torque: 12.7 N·m {

 Drive Motor "A" Control Module (P0A1B-554,P0A1C-169)

DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that a large current flowed in the boost converter. The cause of this malfunction may be one of the following: Internal inverter malfunction Inverter internal circuit malfunction Malfunction in ECU that controls the inverter DESCRIPTION

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