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HOMESERVICE MANUALSLEXUS2010RX 450H 3.5 BREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLBRAKE CONTROL (SERVICE INFORMATION)SKID CONTROL ECUINSTALLATION (FROM 08/2009)INSTALLATION
2010 Lexus RX 450h 3.5 B

Installation (From 08/2009): Installation

2010 Lexus RX 450h 3.5 BSECTION Installation
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 any door courtesy switch is turned on. Therefore, when servicing the brake system components, do not depress the brake pedal or open/close the doors while the battery is connected.

  1. INSTALL SKID CONTROL ECU 
    1. Connect the 4 connectors to the skid control ECU.
      Fig 1: Identifying Bolts And Skid Control ECU
      GTY286245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the skid control ECU with the 2 bolts.

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

  2. INSTALL ECU INTEGRATION BOX RH 
    1. Install the ECU integration box RH with the 2 nuts and bolt.
      Fig 2: Locating Nuts And Bolt
      GTY276088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 5.5 N*m (56 kgf*cm, 48 in.*lbf) 

  3. INSTALL CONNECTOR HOLDER 
    1. Install the connector holder with the nut.

      Torque: 5.5 N*m (56 kgf*cm, 48 in.*lbf) 

  4. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY  . Refer to INSTALLATION - Step 15
  5. INSTALL FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY 

    HINT: 

    Refer to the procedure up to Install Front Passenger Side Knee Airbag Assembly. Refer to INSTALLATION .

  6. CHECK AND CLEAR DTC 
    1. Check and clear the DTCs. Refer to DTC CHECK / CLEAR .
  7. PERFORM LINEAR VALVE OFFSET LEARNING 
    1. When the skid control ECU is replaced, perform linear valve offset learning. Refer to INITIALIZATION .
  8. PERFORM YAW RATE AND ACCELERATION SENSOR ZERO POINT CALIBRATION 
    1. Perform yaw rate and acceleration sensor zero point calibration. Refer to CALIBRATION .
  9. PERFORM TEST MODE INSPECTION 
    1. Perform test mode inspection. Refer to TEST MODE PROCEDURE .
RENDER: 1.0x

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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.