Lexus NX manuals

Lexus NX: Parking Brake System

Lexus NX Service Manual / Brake / Parking Brake / Parking Brake System

Precaution

PRECAUTION

CAUTION:

Perform each part replacement carefully, as mistakes could affect the brake system performance and lead to driving problems. When replacing a part, replace with the same part or equivalent.

NOTICE:

  • As these procedures may affect the SRS airbags, it is necessary to read the SRS airbag precautions.

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  • While the battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed with the door courtesy switch on. Therefore during servicing of the brake system components, do not operate the brake pedal and open/close the doors while the battery is connected.
  • Do not operate the electric parking brake switch with the battery connected, unless otherwise instructed in the procedures.
  • Make sure that the electric parking brake AUTO switch is off. This is necessary to prevent the system from activating when the shift lever is moved.
  • After turning the power switch off, thee parking brake ECU assembly and parking brake actuator assembly operate for 20 seconds. If a connector is disconnected within this period, a DTC may be output.
  • When servicing the brake system, make sure its parts and surrounding parts are clean.

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Parking Brake System

Symptom

Suspected Area

See page

Parking brake drags

Electric parking brake actuator assembly

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 Drivetrain

 Axle And Differential

 Axle System

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 Installation

INSTALLATION 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. INSTALL SST (a) Align the cutout on end of the shock rod of the front shock absorber assembly LH with the installation position. NOTICE: Be s

 Adjustment

ADJUSTMENT CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. It is possible that a headlight assembly is incorrectly installed, affecting headlight aim. Headlight assembly installation should be considered prior to per

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