Lexus NX: Forced Release

Operation Method

OPERATION METHOD

PROCEDURE

1. PARKING BRAKE FORCED RELEASE

NOTICE:

Follow the procedures when using SST to release the parking brake. If the parking brake cannot be released, follow the procedures when not using SST.

(a) When using SST:

(1) Park the vehicle in a safe location, move the shift lever to P, turn the power switch off and chock the wheels.

(2) Remove the No. 2 tool box sub-assembly.

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(3) Disconnect the parking brake wire assembly connector.

(4) Connect SST (EPB release tool) to SST (sub harness No. 1).

SST: 09756-48020

SST: 09756-48040

(5) Connect SST to the connector of the parking brake wire assembly and auxiliary battery, and then turn on the release button on SST while depressing the brake pedal.

CAUTION:

The vehicle may suddenly move when the parking brake is released. Therefore, use the brake pedal while performing the release operation.

HINT:

  • Check the operation noise of the parking brake actuator.
  • If there is no operation noise, turn on the release button of SST while forcefully depressing the brake pedal.
  • If the battery voltage is low, the parking brake may not be able to be released. In this case, connect a sufficiently charged battery or new battery, and then perform the release operation again.

*1

BRAKE PEDAL ASSEMBLY

*2

PARKING BRAKE WIRE ASSEMBLY

*3

AUXILIARY BATTERY

*4

SST (EPB Release Tool)

*5

SST (Sub Harness No. 1)

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-

*a

Release Button

*b

FINISHED Light

Connector

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-

(6) After the FINISHED light illuminates on SST, release the brake pedal.

(7) Move the tires forward and rearward to check that the parking brake is released.

(b) When no t using SST:

(1) Park the vehicle in a safe location, move the shift lever to P, turn the power switch off and chock the wheels.

(2) Remove the rear wheel.

CAUTION:

When performing removal using a jack, do not work on a vehicle supported only by jacks. Be sure to support the vehicle using safety stands.

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(3) Remove the connector from the parking brake actuator assembly.

NOTICE:

  • Remove any dirt or water from around the connector.
  • Do not allow dirt or water inside the connector.

(4) Using a 5 mm hexagon wrench, remove the 2 bolts and parking brake actuator assembly.

NOTICE:

The O-ring is a non-reusable part. Replace the O-ring with a new one when installing the parking brake actuator assembly after repairs.

(5) Insert a 6 mm hexagon wrench and rotate it clockwise 2 rotations to release the parking brake lock.

NOTICE:

After releasing the parking brake, install all parts except the connector for the parking brake wire assembly on the interior side, and then move the vehicle.

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