NOTE:

While the battery is connected, even if the power 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 or open/close the doors while the battery is connected.

INSTALL SKID CONTROL ECU BRACKET
1. Install the bracket with the bolt and 2 nuts.
  
  Fig 1: Identifying Skid Control ECU Bracket, Bolt & Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf)
CONNECT BRAKE FLUID RESERVOIR
1. Install the brake fluid reservoir with the 2 bolts.
  
  Fig 2: Identifying Brake Fluid Reservoir Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf)
CONNECT NO. 3 RELAY BLOCK See step 17
INSTALL SKID CONTROL ECU
1. Connect the 2 connectors (labeled A) and press the lock levers down to lock the connectors (labeled B).
  
  Fig 3: Pressing Lock Levers Down To Lock Connectors (Labeled B)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.

Safety Warning

Skid Control Ecu: Installation: Installation

Use the Manual With the Right Hardware

When to See a Mechanic

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