2007 Lexus LS 460FACTORY OEM SERVICE PROCEDURE

Brake Control Power Supply: Installation

NOTE: While the battery is connected, even if the engine switch is off, the brake control system activates when the brake pedal is depressed or the door courtesy switch turns 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.
  1. INSTALL NO. 1 BRAKE CONTROL POWER SUPPLY BRACKET 
      Fig 1: Identifying Brackets With Bolts
      G04949798Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the 2 brackets with the 4 bolts.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

  2. INSTALL BRAKE CONTROL POWER SUPPLY ASSEMBLY 
      Fig 2: Identifying Brake Control Power Supply Assembly
      G04949797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the connector to the brake control power supply.
    2. Install the brake control power supply with the 3 nuts.

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

  3. INSTALL BRAKE CONTROL POWER SUPPLY COVER 
      Fig 3: Identifying Brake Control Power Supply Cover
      G04949801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. If the brake control power supply is replaced, install a new cover as follows:
      1. Peel off the peeling paper of the double-sided tape.
      2. Place the cover so that the 4 corner lines on the cover align with the corners of the brake control power supply, and so that the cover arrow is above the connector.
  4. INSTALL LUGGAGE COMPARTMENT TRIM COVER ASSEMBLY LH  (See INSTALLATION )
  5. INSTALL DECK TRIM SIDE BOARD LH  (See INSTALLATION )
  6. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY  (See INSTALLATION )
  7. INSTALL REAR FLOOR FINISH PLATE  (See INSTALLATION )
  8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  9. INSTALL COWL TOP VENTILATOR LOUVER RH  (See INSTALLATION )
  10. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
  11. CHECK AND CLEAR DTC 
    1. Check and clear the DTCs (see DTC CHECK/CLEAR  ).
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.