ELECTRIC PARKING BRAKE ECU REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the parking brake ECU assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

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Simple intelligent parking assist system*1
Toyota parking assist-sensor system*1
Pre-collision system
Initialize back door lock Power door lock control system

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Parking brake ECU assembly Operate the electric parking brake switch Parking brake indicator light (red) blinks when the power switch is first turned on (IG)

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*1: When performing learning using the GTS.

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PROCEDURE


  1. PRECAUTION

    Note


    • Be sure to read Precaution thoroughly before servicing.

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    • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

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  2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

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    Note

    When disconnecting the cable from the auxiliary negative (-) auxiliary battery terminal, some systems need to be initialized after the cable is reconnected.

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  3. REMOVE DECK TRIM SIDE PANEL ASSEMBLY LH

    Tech Tips

    Use the same procedure as for the RH side.

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  4. REMOVE PARKING BRAKE ECU ASSEMBLY


    1. A001OBZ

      Disconnect the 2 parking brake ECU assembly connectors.

    2. Remove the 2 nuts and parking brake ECU assembly.